Home / 62,439.46-86,234.97-42,390.34

Finding the Fourth Proportional to 62,439.46, 86,234.97 and 42,390.34

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Solution

The fourth proportional to 62,439.46, 86,234.97 and 42,390.34 is: 58,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,439.46 : 86,234.97 = 42,390.34 : x
  2. Step 2: Convert to fraction form
    62,439.46/86,234.97 = 42,390.34/x
  3. Step 3: Cross multiply
    62,439.46x = 86,234.97 × 42,390.34
  4. Step 4: Simplify right side
    62,439.46x = 3,655,529,698.19
  5. Step 5: Solve for x
    x = 3,655,529,698.19/62,439.46
  6. Step 6: Final answer
    x = 58,545.18

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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.