Home / 40,281.90-60,418.59-10,702.72

Finding the Fourth Proportional to 40,281.90, 60,418.59 and 10,702.72

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Solution

The fourth proportional to 40,281.90, 60,418.59 and 10,702.72 is: 16,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.90 : 60,418.59 = 10,702.72 : x
  2. Step 2: Convert to fraction form
    40,281.90/60,418.59 = 10,702.72/x
  3. Step 3: Cross multiply
    40,281.90x = 60,418.59 × 10,702.72
  4. Step 4: Simplify right side
    40,281.90x = 646,643,251.56
  5. Step 5: Solve for x
    x = 646,643,251.56/40,281.90
  6. Step 6: Final answer
    x = 16,052.95

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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.