Home / 38,559.28-53,207.16-21,789.04

Finding the Fourth Proportional to 38,559.28, 53,207.16 and 21,789.04

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Solution

The fourth proportional to 38,559.28, 53,207.16 and 21,789.04 is: 30,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.28 : 53,207.16 = 21,789.04 : x
  2. Step 2: Convert to fraction form
    38,559.28/53,207.16 = 21,789.04/x
  3. Step 3: Cross multiply
    38,559.28x = 53,207.16 × 21,789.04
  4. Step 4: Simplify right side
    38,559.28x = 1,159,332,937.53
  5. Step 5: Solve for x
    x = 1,159,332,937.53/38,559.28
  6. Step 6: Final answer
    x = 30,066.25

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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.