Home / 40,781.19-56,277.11-22,875.78

Finding the Fourth Proportional to 40,781.19, 56,277.11 and 22,875.78

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Solution

The fourth proportional to 40,781.19, 56,277.11 and 22,875.78 is: 31,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.19 : 56,277.11 = 22,875.78 : x
  2. Step 2: Convert to fraction form
    40,781.19/56,277.11 = 22,875.78/x
  3. Step 3: Cross multiply
    40,781.19x = 56,277.11 × 22,875.78
  4. Step 4: Simplify right side
    40,781.19x = 1,287,382,673.02
  5. Step 5: Solve for x
    x = 1,287,382,673.02/40,781.19
  6. Step 6: Final answer
    x = 31,568.05

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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.