Home / 48,499.42-72,740.90-13,430.88

Finding the Fourth Proportional to 48,499.42, 72,740.90 and 13,430.88

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Solution

The fourth proportional to 48,499.42, 72,740.90 and 13,430.88 is: 20,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.42 : 72,740.90 = 13,430.88 : x
  2. Step 2: Convert to fraction form
    48,499.42/72,740.90 = 13,430.88/x
  3. Step 3: Cross multiply
    48,499.42x = 72,740.90 × 13,430.88
  4. Step 4: Simplify right side
    48,499.42x = 976,974,298.99
  5. Step 5: Solve for x
    x = 976,974,298.99/48,499.42
  6. Step 6: Final answer
    x = 20,144.04

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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.