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Finding the Fourth Proportional to 40,244.40, 60,374.70 and 13,943.70

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Solution

The fourth proportional to 40,244.40, 60,374.70 and 13,943.70 is: 20,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,244.40 : 60,374.70 = 13,943.70 : x
  2. Step 2: Convert to fraction form
    40,244.40/60,374.70 = 13,943.70/x
  3. Step 3: Cross multiply
    40,244.40x = 60,374.70 × 13,943.70
  4. Step 4: Simplify right side
    40,244.40x = 841,846,704.39
  5. Step 5: Solve for x
    x = 841,846,704.39/40,244.40
  6. Step 6: Final answer
    x = 20,918.36

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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.