Home / 29,105.52-40,162.38-16,355.76

Finding the Fourth Proportional to 29,105.52, 40,162.38 and 16,355.76

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Solution

The fourth proportional to 29,105.52, 40,162.38 and 16,355.76 is: 22,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.52 : 40,162.38 = 16,355.76 : x
  2. Step 2: Convert to fraction form
    29,105.52/40,162.38 = 16,355.76/x
  3. Step 3: Cross multiply
    29,105.52x = 40,162.38 × 16,355.76
  4. Step 4: Simplify right side
    29,105.52x = 656,886,248.31
  5. Step 5: Solve for x
    x = 656,886,248.31/29,105.52
  6. Step 6: Final answer
    x = 22,569.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.