Home / 48,390.32-72,590.07-18,810.44

Finding the Fourth Proportional to 48,390.32, 72,590.07 and 18,810.44

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Solution

The fourth proportional to 48,390.32, 72,590.07 and 18,810.44 is: 28,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,390.32 : 72,590.07 = 18,810.44 : x
  2. Step 2: Convert to fraction form
    48,390.32/72,590.07 = 18,810.44/x
  3. Step 3: Cross multiply
    48,390.32x = 72,590.07 × 18,810.44
  4. Step 4: Simplify right side
    48,390.32x = 1,365,451,156.33
  5. Step 5: Solve for x
    x = 1,365,451,156.33/48,390.32
  6. Step 6: Final answer
    x = 28,217.44

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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.