Home / 55,363.46-76,398.76-31,489.62

Finding the Fourth Proportional to 55,363.46, 76,398.76 and 31,489.62

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Solution

The fourth proportional to 55,363.46, 76,398.76 and 31,489.62 is: 43,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.46 : 76,398.76 = 31,489.62 : x
  2. Step 2: Convert to fraction form
    55,363.46/76,398.76 = 31,489.62/x
  3. Step 3: Cross multiply
    55,363.46x = 76,398.76 × 31,489.62
  4. Step 4: Simplify right side
    55,363.46x = 2,405,767,920.87
  5. Step 5: Solve for x
    x = 2,405,767,920.87/55,363.46
  6. Step 6: Final answer
    x = 43,454.07

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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.