Home / 39,508.11-54,523.20-21,602.93

Finding the Fourth Proportional to 39,508.11, 54,523.20 and 21,602.93

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Solution

The fourth proportional to 39,508.11, 54,523.20 and 21,602.93 is: 29,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,508.11 : 54,523.20 = 21,602.93 : x
  2. Step 2: Convert to fraction form
    39,508.11/54,523.20 = 21,602.93/x
  3. Step 3: Cross multiply
    39,508.11x = 54,523.20 × 21,602.93
  4. Step 4: Simplify right side
    39,508.11x = 1,177,860,600.36
  5. Step 5: Solve for x
    x = 1,177,860,600.36/39,508.11
  6. Step 6: Final answer
    x = 29,813.13

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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.