Home / 39,492.83-54,500.10-21,587.91

Finding the Fourth Proportional to 39,492.83, 54,500.10 and 21,587.91

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Solution

The fourth proportional to 39,492.83, 54,500.10 and 21,587.91 is: 29,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.83 : 54,500.10 = 21,587.91 : x
  2. Step 2: Convert to fraction form
    39,492.83/54,500.10 = 21,587.91/x
  3. Step 3: Cross multiply
    39,492.83x = 54,500.10 × 21,587.91
  4. Step 4: Simplify right side
    39,492.83x = 1,176,543,253.79
  5. Step 5: Solve for x
    x = 1,176,543,253.79/39,492.83
  6. Step 6: Final answer
    x = 29,791.31

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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.