Home / 45,321.35-62,545.22-31,011.18

Finding the Fourth Proportional to 45,321.35, 62,545.22 and 31,011.18

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Solution

The fourth proportional to 45,321.35, 62,545.22 and 31,011.18 is: 42,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.35 : 62,545.22 = 31,011.18 : x
  2. Step 2: Convert to fraction form
    45,321.35/62,545.22 = 31,011.18/x
  3. Step 3: Cross multiply
    45,321.35x = 62,545.22 × 31,011.18
  4. Step 4: Simplify right side
    45,321.35x = 1,939,600,607.78
  5. Step 5: Solve for x
    x = 1,939,600,607.78/45,321.35
  6. Step 6: Final answer
    x = 42,796.62

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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.