Home / 40,680.15-56,132.13-22,775.91

Finding the Fourth Proportional to 40,680.15, 56,132.13 and 22,775.91

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Solution

The fourth proportional to 40,680.15, 56,132.13 and 22,775.91 is: 31,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.15 : 56,132.13 = 22,775.91 : x
  2. Step 2: Convert to fraction form
    40,680.15/56,132.13 = 22,775.91/x
  3. Step 3: Cross multiply
    40,680.15x = 56,132.13 × 22,775.91
  4. Step 4: Simplify right side
    40,680.15x = 1,278,460,340.99
  5. Step 5: Solve for x
    x = 1,278,460,340.99/40,680.15
  6. Step 6: Final answer
    x = 31,427.13

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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.