Home / 48,363.18-72,561.69-18,801.75

Finding the Fourth Proportional to 48,363.18, 72,561.69 and 18,801.75

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Solution

The fourth proportional to 48,363.18, 72,561.69 and 18,801.75 is: 28,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,363.18 : 72,561.69 = 18,801.75 : x
  2. Step 2: Convert to fraction form
    48,363.18/72,561.69 = 18,801.75/x
  3. Step 3: Cross multiply
    48,363.18x = 72,561.69 × 18,801.75
  4. Step 4: Simplify right side
    48,363.18x = 1,364,287,027.06
  5. Step 5: Solve for x
    x = 1,364,287,027.06/48,363.18
  6. Step 6: Final answer
    x = 28,209.21

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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.