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Finding the Fourth Proportional to 69,029, 103,543.52 and 22,288.76

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Solution

The fourth proportional to 69,029, 103,543.52 and 22,288.76 is: 33,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,029 : 103,543.52 = 22,288.76 : x
  2. Step 2: Convert to fraction form
    69,029/103,543.52 = 22,288.76/x
  3. Step 3: Cross multiply
    69,029x = 103,543.52 × 22,288.76
  4. Step 4: Simplify right side
    69,029x = 2,307,856,666.84
  5. Step 5: Solve for x
    x = 2,307,856,666.84/69,029
  6. Step 6: Final answer
    x = 33,433.15

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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.