Home / 68,426.31-94,426.48-38,210.79

Finding the Fourth Proportional to 68,426.31, 94,426.48 and 38,210.79

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Solution

The fourth proportional to 68,426.31, 94,426.48 and 38,210.79 is: 52,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,426.31 : 94,426.48 = 38,210.79 : x
  2. Step 2: Convert to fraction form
    68,426.31/94,426.48 = 38,210.79/x
  3. Step 3: Cross multiply
    68,426.31x = 94,426.48 × 38,210.79
  4. Step 4: Simplify right side
    68,426.31x = 3,608,110,397.72
  5. Step 5: Solve for x
    x = 3,608,110,397.72/68,426.31
  6. Step 6: Final answer
    x = 52,729.87

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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.