Home / 37,110.10-55,665.15-10,815.70

Finding the Fourth Proportional to 37,110.10, 55,665.15 and 10,815.70

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Solution

The fourth proportional to 37,110.10, 55,665.15 and 10,815.70 is: 16,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.10 : 55,665.15 = 10,815.70 : x
  2. Step 2: Convert to fraction form
    37,110.10/55,665.15 = 10,815.70/x
  3. Step 3: Cross multiply
    37,110.10x = 55,665.15 × 10,815.70
  4. Step 4: Simplify right side
    37,110.10x = 602,057,562.86
  5. Step 5: Solve for x
    x = 602,057,562.86/37,110.10
  6. Step 6: Final answer
    x = 16,223.55

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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.