Home / 55,078.61-76,005.50-31,204.76

Finding the Fourth Proportional to 55,078.61, 76,005.50 and 31,204.76

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Solution

The fourth proportional to 55,078.61, 76,005.50 and 31,204.76 is: 43,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.61 : 76,005.50 = 31,204.76 : x
  2. Step 2: Convert to fraction form
    55,078.61/76,005.50 = 31,204.76/x
  3. Step 3: Cross multiply
    55,078.61x = 76,005.50 × 31,204.76
  4. Step 4: Simplify right side
    55,078.61x = 2,371,732,850.13
  5. Step 5: Solve for x
    x = 2,371,732,850.13/55,078.61
  6. Step 6: Final answer
    x = 43,060.87

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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.