Home / 57,398.34-79,182.16-49,426.73

Finding the Fourth Proportional to 57,398.34, 79,182.16 and 49,426.73

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Solution

The fourth proportional to 57,398.34, 79,182.16 and 49,426.73 is: 68,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.34 : 79,182.16 = 49,426.73 : x
  2. Step 2: Convert to fraction form
    57,398.34/79,182.16 = 49,426.73/x
  3. Step 3: Cross multiply
    57,398.34x = 79,182.16 × 49,426.73
  4. Step 4: Simplify right side
    57,398.34x = 3,913,714,723.66
  5. Step 5: Solve for x
    x = 3,913,714,723.66/57,398.34
  6. Step 6: Final answer
    x = 68,185.16

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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.