Home / 52,084.40-71,876.43-28,211.18

Finding the Fourth Proportional to 52,084.40, 71,876.43 and 28,211.18

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Solution

The fourth proportional to 52,084.40, 71,876.43 and 28,211.18 is: 38,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,084.40 : 71,876.43 = 28,211.18 : x
  2. Step 2: Convert to fraction form
    52,084.40/71,876.43 = 28,211.18/x
  3. Step 3: Cross multiply
    52,084.40x = 71,876.43 × 28,211.18
  4. Step 4: Simplify right side
    52,084.40x = 2,027,718,545.11
  5. Step 5: Solve for x
    x = 2,027,718,545.11/52,084.40
  6. Step 6: Final answer
    x = 38,931.40

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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.