Home / 40,202.20-55,478.28-22,053

Finding the Fourth Proportional to 40,202.20, 55,478.28 and 22,053

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Solution

The fourth proportional to 40,202.20, 55,478.28 and 22,053 is: 30,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,202.20 : 55,478.28 = 22,053 : x
  2. Step 2: Convert to fraction form
    40,202.20/55,478.28 = 22,053/x
  3. Step 3: Cross multiply
    40,202.20x = 55,478.28 × 22,053
  4. Step 4: Simplify right side
    40,202.20x = 1,223,462,508.84
  5. Step 5: Solve for x
    x = 1,223,462,508.84/40,202.20
  6. Step 6: Final answer
    x = 30,432.73

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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.