Home / 48,585.38-67,078.77-39,654.19

Finding the Fourth Proportional to 48,585.38, 67,078.77 and 39,654.19

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Solution

The fourth proportional to 48,585.38, 67,078.77 and 39,654.19 is: 54,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,585.38 : 67,078.77 = 39,654.19 : x
  2. Step 2: Convert to fraction form
    48,585.38/67,078.77 = 39,654.19/x
  3. Step 3: Cross multiply
    48,585.38x = 67,078.77 × 39,654.19
  4. Step 4: Simplify right side
    48,585.38x = 2,659,953,955.15
  5. Step 5: Solve for x
    x = 2,659,953,955.15/48,585.38
  6. Step 6: Final answer
    x = 54,748.03

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1.5x scale

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.