Home / 40,685.04-56,143.80-22,778.37

Finding the Fourth Proportional to 40,685.04, 56,143.80 and 22,778.37

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Solution

The fourth proportional to 40,685.04, 56,143.80 and 22,778.37 is: 31,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.04 : 56,143.80 = 22,778.37 : x
  2. Step 2: Convert to fraction form
    40,685.04/56,143.80 = 22,778.37/x
  3. Step 3: Cross multiply
    40,685.04x = 56,143.80 × 22,778.37
  4. Step 4: Simplify right side
    40,685.04x = 1,278,864,249.61
  5. Step 5: Solve for x
    x = 1,278,864,249.61/40,685.04
  6. Step 6: Final answer
    x = 31,433.28

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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.