Home / 47,817.11-66,034.95-39,402.62

Finding the Fourth Proportional to 47,817.11, 66,034.95 and 39,402.62

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Solution

The fourth proportional to 47,817.11, 66,034.95 and 39,402.62 is: 54,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.11 : 66,034.95 = 39,402.62 : x
  2. Step 2: Convert to fraction form
    47,817.11/66,034.95 = 39,402.62/x
  3. Step 3: Cross multiply
    47,817.11x = 66,034.95 × 39,402.62
  4. Step 4: Simplify right side
    47,817.11x = 2,601,950,041.57
  5. Step 5: Solve for x
    x = 2,601,950,041.57/47,817.11
  6. Step 6: Final answer
    x = 54,414.62

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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.