Home / 51,545.79-71,167.47-39,587.76

Finding the Fourth Proportional to 51,545.79, 71,167.47 and 39,587.76

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Solution

The fourth proportional to 51,545.79, 71,167.47 and 39,587.76 is: 54,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,545.79 : 71,167.47 = 39,587.76 : x
  2. Step 2: Convert to fraction form
    51,545.79/71,167.47 = 39,587.76/x
  3. Step 3: Cross multiply
    51,545.79x = 71,167.47 × 39,587.76
  4. Step 4: Simplify right side
    51,545.79x = 2,817,360,722.17
  5. Step 5: Solve for x
    x = 2,817,360,722.17/51,545.79
  6. Step 6: Final answer
    x = 54,657.44

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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.