Home / 40,313.40-55,630.10-22,407.80

Finding the Fourth Proportional to 40,313.40, 55,630.10 and 22,407.80

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Solution

The fourth proportional to 40,313.40, 55,630.10 and 22,407.80 is: 30,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.40 : 55,630.10 = 22,407.80 : x
  2. Step 2: Convert to fraction form
    40,313.40/55,630.10 = 22,407.80/x
  3. Step 3: Cross multiply
    40,313.40x = 55,630.10 × 22,407.80
  4. Step 4: Simplify right side
    40,313.40x = 1,246,548,154.78
  5. Step 5: Solve for x
    x = 1,246,548,154.78/40,313.40
  6. Step 6: Final answer
    x = 30,921.43

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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.