Home / 69,029.92-103,545.02-19,110.16

Finding the Fourth Proportional to 69,029.92, 103,545.02 and 19,110.16

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Solution

The fourth proportional to 69,029.92, 103,545.02 and 19,110.16 is: 28,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,029.92 : 103,545.02 = 19,110.16 : x
  2. Step 2: Convert to fraction form
    69,029.92/103,545.02 = 19,110.16/x
  3. Step 3: Cross multiply
    69,029.92x = 103,545.02 × 19,110.16
  4. Step 4: Simplify right side
    69,029.92x = 1,978,761,899.40
  5. Step 5: Solve for x
    x = 1,978,761,899.40/69,029.92
  6. Step 6: Final answer
    x = 28,665.28

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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.