Home / 40,860.12-56,389.11-22,712.82

Finding the Fourth Proportional to 40,860.12, 56,389.11 and 22,712.82

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Solution

The fourth proportional to 40,860.12, 56,389.11 and 22,712.82 is: 31,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.12 : 56,389.11 = 22,712.82 : x
  2. Step 2: Convert to fraction form
    40,860.12/56,389.11 = 22,712.82/x
  3. Step 3: Cross multiply
    40,860.12x = 56,389.11 × 22,712.82
  4. Step 4: Simplify right side
    40,860.12x = 1,280,755,705.39
  5. Step 5: Solve for x
    x = 1,280,755,705.39/40,860.12
  6. Step 6: Final answer
    x = 31,344.88

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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.