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Finding the Fourth Proportional to 40,437.70, 60,635.84 and 21,733.49

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Solution

The fourth proportional to 40,437.70, 60,635.84 and 21,733.49 is: 32,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,437.70 : 60,635.84 = 21,733.49 : x
  2. Step 2: Convert to fraction form
    40,437.70/60,635.84 = 21,733.49/x
  3. Step 3: Cross multiply
    40,437.70x = 60,635.84 × 21,733.49
  4. Step 4: Simplify right side
    40,437.70x = 1,317,828,422.28
  5. Step 5: Solve for x
    x = 1,317,828,422.28/40,437.70
  6. Step 6: Final answer
    x = 32,589.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.