Home / 40,689.86-56,155.37-22,786.53

Finding the Fourth Proportional to 40,689.86, 56,155.37 and 22,786.53

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Solution

The fourth proportional to 40,689.86, 56,155.37 and 22,786.53 is: 31,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.86 : 56,155.37 = 22,786.53 : x
  2. Step 2: Convert to fraction form
    40,689.86/56,155.37 = 22,786.53/x
  3. Step 3: Cross multiply
    40,689.86x = 56,155.37 × 22,786.53
  4. Step 4: Simplify right side
    40,689.86x = 1,279,586,023.17
  5. Step 5: Solve for x
    x = 1,279,586,023.17/40,689.86
  6. Step 6: Final answer
    x = 31,447.29

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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.