Home / 40,207.29-60,330.58-28,436.70

Finding the Fourth Proportional to 40,207.29, 60,330.58 and 28,436.70

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Solution

The fourth proportional to 40,207.29, 60,330.58 and 28,436.70 is: 42,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.29 : 60,330.58 = 28,436.70 : x
  2. Step 2: Convert to fraction form
    40,207.29/60,330.58 = 28,436.70/x
  3. Step 3: Cross multiply
    40,207.29x = 60,330.58 × 28,436.70
  4. Step 4: Simplify right side
    40,207.29x = 1,715,602,669.73
  5. Step 5: Solve for x
    x = 1,715,602,669.73/40,207.29
  6. Step 6: Final answer
    x = 42,668.95

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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.