Home / 47,158.12-70,702.62-40,280.68

Finding the Fourth Proportional to 47,158.12, 70,702.62 and 40,280.68

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Solution

The fourth proportional to 47,158.12, 70,702.62 and 40,280.68 is: 60,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.12 : 70,702.62 = 40,280.68 : x
  2. Step 2: Convert to fraction form
    47,158.12/70,702.62 = 40,280.68/x
  3. Step 3: Cross multiply
    47,158.12x = 70,702.62 × 40,280.68
  4. Step 4: Simplify right side
    47,158.12x = 2,847,949,611.38
  5. Step 5: Solve for x
    x = 2,847,949,611.38/47,158.12
  6. Step 6: Final answer
    x = 60,391.50

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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.