Home / 38,444.28-53,053.02-21,677.16

Finding the Fourth Proportional to 38,444.28, 53,053.02 and 21,677.16

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Solution

The fourth proportional to 38,444.28, 53,053.02 and 21,677.16 is: 29,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.28 : 53,053.02 = 21,677.16 : x
  2. Step 2: Convert to fraction form
    38,444.28/53,053.02 = 21,677.16/x
  3. Step 3: Cross multiply
    38,444.28x = 53,053.02 × 21,677.16
  4. Step 4: Simplify right side
    38,444.28x = 1,150,038,803.02
  5. Step 5: Solve for x
    x = 1,150,038,803.02/38,444.28
  6. Step 6: Final answer
    x = 29,914.43

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Double scale
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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.