Home / 34,545.70-51,818.55-31,921.30

Finding the Fourth Proportional to 34,545.70, 51,818.55 and 31,921.30

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Solution

The fourth proportional to 34,545.70, 51,818.55 and 31,921.30 is: 47,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,545.70 : 51,818.55 = 31,921.30 : x
  2. Step 2: Convert to fraction form
    34,545.70/51,818.55 = 31,921.30/x
  3. Step 3: Cross multiply
    34,545.70x = 51,818.55 × 31,921.30
  4. Step 4: Simplify right side
    34,545.70x = 1,654,115,480.12
  5. Step 5: Solve for x
    x = 1,654,115,480.12/34,545.70
  6. Step 6: Final answer
    x = 47,881.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.