Home / 48,118.38-72,188.50-21,830.64

Finding the Fourth Proportional to 48,118.38, 72,188.50 and 21,830.64

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Solution

The fourth proportional to 48,118.38, 72,188.50 and 21,830.64 is: 32,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118.38 : 72,188.50 = 21,830.64 : x
  2. Step 2: Convert to fraction form
    48,118.38/72,188.50 = 21,830.64/x
  3. Step 3: Cross multiply
    48,118.38x = 72,188.50 × 21,830.64
  4. Step 4: Simplify right side
    48,118.38x = 1,575,921,155.64
  5. Step 5: Solve for x
    x = 1,575,921,155.64/48,118.38
  6. Step 6: Final answer
    x = 32,750.92

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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.