Home / 40,318.56-55,638.50-22,412.30

Finding the Fourth Proportional to 40,318.56, 55,638.50 and 22,412.30

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Solution

The fourth proportional to 40,318.56, 55,638.50 and 22,412.30 is: 30,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.56 : 55,638.50 = 22,412.30 : x
  2. Step 2: Convert to fraction form
    40,318.56/55,638.50 = 22,412.30/x
  3. Step 3: Cross multiply
    40,318.56x = 55,638.50 × 22,412.30
  4. Step 4: Simplify right side
    40,318.56x = 1,246,986,363.30
  5. Step 5: Solve for x
    x = 1,246,986,363.30/40,318.56
  6. Step 6: Final answer
    x = 30,928.35

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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.