Home / 68,690.19-94,781.46-38,476.80

Finding the Fourth Proportional to 68,690.19, 94,781.46 and 38,476.80

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Solution

The fourth proportional to 68,690.19, 94,781.46 and 38,476.80 is: 53,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,690.19 : 94,781.46 = 38,476.80 : x
  2. Step 2: Convert to fraction form
    68,690.19/94,781.46 = 38,476.80/x
  3. Step 3: Cross multiply
    68,690.19x = 94,781.46 × 38,476.80
  4. Step 4: Simplify right side
    68,690.19x = 3,646,887,280.13
  5. Step 5: Solve for x
    x = 3,646,887,280.13/68,690.19
  6. Step 6: Final answer
    x = 53,091.82

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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.