Home / 54,726.39-75,516.88-40,394.05

Finding the Fourth Proportional to 54,726.39, 75,516.88 and 40,394.05

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Solution

The fourth proportional to 54,726.39, 75,516.88 and 40,394.05 is: 55,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,726.39 : 75,516.88 = 40,394.05 : x
  2. Step 2: Convert to fraction form
    54,726.39/75,516.88 = 40,394.05/x
  3. Step 3: Cross multiply
    54,726.39x = 75,516.88 × 40,394.05
  4. Step 4: Simplify right side
    54,726.39x = 3,050,432,626.56
  5. Step 5: Solve for x
    x = 3,050,432,626.56/54,726.39
  6. Step 6: Final answer
    x = 55,739.70

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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.