Home / 47,909.40-66,115.70-27,494.74

Finding the Fourth Proportional to 47,909.40, 66,115.70 and 27,494.74

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Solution

The fourth proportional to 47,909.40, 66,115.70 and 27,494.74 is: 37,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.40 : 66,115.70 = 27,494.74 : x
  2. Step 2: Convert to fraction form
    47,909.40/66,115.70 = 27,494.74/x
  3. Step 3: Cross multiply
    47,909.40x = 66,115.70 × 27,494.74
  4. Step 4: Simplify right side
    47,909.40x = 1,817,833,981.42
  5. Step 5: Solve for x
    x = 1,817,833,981.42/47,909.40
  6. Step 6: Final answer
    x = 37,943.16

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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.