Home / 42,474.20-58,622.52-28,134.20

Finding the Fourth Proportional to 42,474.20, 58,622.52 and 28,134.20

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Solution

The fourth proportional to 42,474.20, 58,622.52 and 28,134.20 is: 38,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,474.20 : 58,622.52 = 28,134.20 : x
  2. Step 2: Convert to fraction form
    42,474.20/58,622.52 = 28,134.20/x
  3. Step 3: Cross multiply
    42,474.20x = 58,622.52 × 28,134.20
  4. Step 4: Simplify right side
    42,474.20x = 1,649,297,702.18
  5. Step 5: Solve for x
    x = 1,649,297,702.18/42,474.20
  6. Step 6: Final answer
    x = 38,830.58

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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.