Home / 57,040.00-78,713.32-31,545.96

Finding the Fourth Proportional to 57,040.00, 78,713.32 and 31,545.96

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Solution

The fourth proportional to 57,040.00, 78,713.32 and 31,545.96 is: 43,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.00 : 78,713.32 = 31,545.96 : x
  2. Step 2: Convert to fraction form
    57,040.00/78,713.32 = 31,545.96/x
  3. Step 3: Cross multiply
    57,040.00x = 78,713.32 × 31,545.96
  4. Step 4: Simplify right side
    57,040.00x = 2,483,086,929.30
  5. Step 5: Solve for x
    x = 2,483,086,929.30/57,040.00
  6. Step 6: Final answer
    x = 43,532.38

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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.