Home / 38,187.15-52,698.54-21,191.46

Finding the Fourth Proportional to 38,187.15, 52,698.54 and 21,191.46

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Solution

The fourth proportional to 38,187.15, 52,698.54 and 21,191.46 is: 29,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.15 : 52,698.54 = 21,191.46 : x
  2. Step 2: Convert to fraction form
    38,187.15/52,698.54 = 21,191.46/x
  3. Step 3: Cross multiply
    38,187.15x = 52,698.54 × 21,191.46
  4. Step 4: Simplify right side
    38,187.15x = 1,116,759,002.47
  5. Step 5: Solve for x
    x = 1,116,759,002.47/38,187.15
  6. Step 6: Final answer
    x = 29,244.37

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Half scale
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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.