Home / 40,338.15-60,499.25-38,337.81

Finding the Fourth Proportional to 40,338.15, 60,499.25 and 38,337.81

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Solution

The fourth proportional to 40,338.15, 60,499.25 and 38,337.81 is: 57,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.15 : 60,499.25 = 38,337.81 : x
  2. Step 2: Convert to fraction form
    40,338.15/60,499.25 = 38,337.81/x
  3. Step 3: Cross multiply
    40,338.15x = 60,499.25 × 38,337.81
  4. Step 4: Simplify right side
    40,338.15x = 2,319,408,751.64
  5. Step 5: Solve for x
    x = 2,319,408,751.64/40,338.15
  6. Step 6: Final answer
    x = 57,499.14

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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.