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Finding the Fourth Proportional to 44,644.10, 66,966.16 and 34,790.76

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Solution

The fourth proportional to 44,644.10, 66,966.16 and 34,790.76 is: 52,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,644.10 : 66,966.16 = 34,790.76 : x
  2. Step 2: Convert to fraction form
    44,644.10/66,966.16 = 34,790.76/x
  3. Step 3: Cross multiply
    44,644.10x = 66,966.16 × 34,790.76
  4. Step 4: Simplify right side
    44,644.10x = 2,329,803,600.68
  5. Step 5: Solve for x
    x = 2,329,803,600.68/44,644.10
  6. Step 6: Final answer
    x = 52,186.15

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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.