Home / 55,410.89-76,469.97-31,545.25

Finding the Fourth Proportional to 55,410.89, 76,469.97 and 31,545.25

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Solution

The fourth proportional to 55,410.89, 76,469.97 and 31,545.25 is: 43,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,410.89 : 76,469.97 = 31,545.25 : x
  2. Step 2: Convert to fraction form
    55,410.89/76,469.97 = 31,545.25/x
  3. Step 3: Cross multiply
    55,410.89x = 76,469.97 × 31,545.25
  4. Step 4: Simplify right side
    55,410.89x = 2,412,264,248.26
  5. Step 5: Solve for x
    x = 2,412,264,248.26/55,410.89
  6. Step 6: Final answer
    x = 43,534.12

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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.