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Finding the Fourth Proportional to 71,063.28, 106,595.28 and 29,510.28

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Solution

The fourth proportional to 71,063.28, 106,595.28 and 29,510.28 is: 44,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063.28 : 106,595.28 = 29,510.28 : x
  2. Step 2: Convert to fraction form
    71,063.28/106,595.28 = 29,510.28/x
  3. Step 3: Cross multiply
    71,063.28x = 106,595.28 × 29,510.28
  4. Step 4: Simplify right side
    71,063.28x = 3,145,656,559.48
  5. Step 5: Solve for x
    x = 3,145,656,559.48/71,063.28
  6. Step 6: Final answer
    x = 44,265.57

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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.