Home / 38,320.04-52,881.14-21,553

Finding the Fourth Proportional to 38,320.04, 52,881.14 and 21,553

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Solution

The fourth proportional to 38,320.04, 52,881.14 and 21,553 is: 29,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.04 : 52,881.14 = 21,553 : x
  2. Step 2: Convert to fraction form
    38,320.04/52,881.14 = 21,553/x
  3. Step 3: Cross multiply
    38,320.04x = 52,881.14 × 21,553
  4. Step 4: Simplify right side
    38,320.04x = 1,139,747,210.42
  5. Step 5: Solve for x
    x = 1,139,747,210.42/38,320.04
  6. Step 6: Final answer
    x = 29,742.85

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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.