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Finding the Fourth Proportional to 44,410.60, 66,615.90 and 39,572.20

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Solution

The fourth proportional to 44,410.60, 66,615.90 and 39,572.20 is: 59,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,410.60 : 66,615.90 = 39,572.20 : x
  2. Step 2: Convert to fraction form
    44,410.60/66,615.90 = 39,572.20/x
  3. Step 3: Cross multiply
    44,410.60x = 66,615.90 × 39,572.20
  4. Step 4: Simplify right side
    44,410.60x = 2,636,137,717.98
  5. Step 5: Solve for x
    x = 2,636,137,717.98/44,410.60
  6. Step 6: Final answer
    x = 59,358.30

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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.