Home / 40,202.12-55,479.33-22,298.90

Finding the Fourth Proportional to 40,202.12, 55,479.33 and 22,298.90

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Solution

The fourth proportional to 40,202.12, 55,479.33 and 22,298.90 is: 30,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,202.12 : 55,479.33 = 22,298.90 : x
  2. Step 2: Convert to fraction form
    40,202.12/55,479.33 = 22,298.90/x
  3. Step 3: Cross multiply
    40,202.12x = 55,479.33 × 22,298.90
  4. Step 4: Simplify right side
    40,202.12x = 1,237,127,754.34
  5. Step 5: Solve for x
    x = 1,237,127,754.34/40,202.12
  6. Step 6: Final answer
    x = 30,772.70

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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.