Home / 39,397.52-54,367.56-21,492.96

Finding the Fourth Proportional to 39,397.52, 54,367.56 and 21,492.96

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Solution

The fourth proportional to 39,397.52, 54,367.56 and 21,492.96 is: 29,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.52 : 54,367.56 = 21,492.96 : x
  2. Step 2: Convert to fraction form
    39,397.52/54,367.56 = 21,492.96/x
  3. Step 3: Cross multiply
    39,397.52x = 54,367.56 × 21,492.96
  4. Step 4: Simplify right side
    39,397.52x = 1,168,519,792.38
  5. Step 5: Solve for x
    x = 1,168,519,792.38/39,397.52
  6. Step 6: Final answer
    x = 29,659.73

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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.