Home / 49,344.40-74,074.20-28,301.20

Finding the Fourth Proportional to 49,344.40, 74,074.20 and 28,301.20

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Solution

The fourth proportional to 49,344.40, 74,074.20 and 28,301.20 is: 42,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,344.40 : 74,074.20 = 28,301.20 : x
  2. Step 2: Convert to fraction form
    49,344.40/74,074.20 = 28,301.20/x
  3. Step 3: Cross multiply
    49,344.40x = 74,074.20 × 28,301.20
  4. Step 4: Simplify right side
    49,344.40x = 2,096,388,749.04
  5. Step 5: Solve for x
    x = 2,096,388,749.04/49,344.40
  6. Step 6: Final answer
    x = 42,484.84

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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.