Home / 45,538.11-62,839.53-28,541.75

Finding the Fourth Proportional to 45,538.11, 62,839.53 and 28,541.75

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Solution

The fourth proportional to 45,538.11, 62,839.53 and 28,541.75 is: 39,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.11 : 62,839.53 = 28,541.75 : x
  2. Step 2: Convert to fraction form
    45,538.11/62,839.53 = 28,541.75/x
  3. Step 3: Cross multiply
    45,538.11x = 62,839.53 × 28,541.75
  4. Step 4: Simplify right side
    45,538.11x = 1,793,549,841.18
  5. Step 5: Solve for x
    x = 1,793,549,841.18/45,538.11
  6. Step 6: Final answer
    x = 39,385.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.