Home / 68,637.30-94,719.53-38,422.68

Finding the Fourth Proportional to 68,637.30, 94,719.53 and 38,422.68

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Solution

The fourth proportional to 68,637.30, 94,719.53 and 38,422.68 is: 53,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,637.30 : 94,719.53 = 38,422.68 : x
  2. Step 2: Convert to fraction form
    68,637.30/94,719.53 = 38,422.68/x
  3. Step 3: Cross multiply
    68,637.30x = 94,719.53 × 38,422.68
  4. Step 4: Simplify right side
    68,637.30x = 3,639,377,998.83
  5. Step 5: Solve for x
    x = 3,639,377,998.83/68,637.30
  6. Step 6: Final answer
    x = 53,023.33

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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.