Home / 40,685.34-56,144.75-22,781.49

Finding the Fourth Proportional to 40,685.34, 56,144.75 and 22,781.49

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Solution

The fourth proportional to 40,685.34, 56,144.75 and 22,781.49 is: 31,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.34 : 56,144.75 = 22,781.49 : x
  2. Step 2: Convert to fraction form
    40,685.34/56,144.75 = 22,781.49/x
  3. Step 3: Cross multiply
    40,685.34x = 56,144.75 × 22,781.49
  4. Step 4: Simplify right side
    40,685.34x = 1,279,060,946.77
  5. Step 5: Solve for x
    x = 1,279,060,946.77/40,685.34
  6. Step 6: Final answer
    x = 31,437.88

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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.