Home / 38,133.41-52,612.02-21,998.52

Finding the Fourth Proportional to 38,133.41, 52,612.02 and 21,998.52

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Solution

The fourth proportional to 38,133.41, 52,612.02 and 21,998.52 is: 30,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.41 : 52,612.02 = 21,998.52 : x
  2. Step 2: Convert to fraction form
    38,133.41/52,612.02 = 21,998.52/x
  3. Step 3: Cross multiply
    38,133.41x = 52,612.02 × 21,998.52
  4. Step 4: Simplify right side
    38,133.41x = 1,157,386,574.21
  5. Step 5: Solve for x
    x = 1,157,386,574.21/38,133.41
  6. Step 6: Final answer
    x = 30,350.99

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.