Home / 49,534.40-74,301.60-28,539.20

Finding the Fourth Proportional to 49,534.40, 74,301.60 and 28,539.20

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Solution

The fourth proportional to 49,534.40, 74,301.60 and 28,539.20 is: 42,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,534.40 : 74,301.60 = 28,539.20 : x
  2. Step 2: Convert to fraction form
    49,534.40/74,301.60 = 28,539.20/x
  3. Step 3: Cross multiply
    49,534.40x = 74,301.60 × 28,539.20
  4. Step 4: Simplify right side
    49,534.40x = 2,120,508,222.72
  5. Step 5: Solve for x
    x = 2,120,508,222.72/49,534.40
  6. Step 6: Final answer
    x = 42,808.80

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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.