Home / 40,188.90-55,461.15-22,284.12

Finding the Fourth Proportional to 40,188.90, 55,461.15 and 22,284.12

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Solution

The fourth proportional to 40,188.90, 55,461.15 and 22,284.12 is: 30,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.90 : 55,461.15 = 22,284.12 : x
  2. Step 2: Convert to fraction form
    40,188.90/55,461.15 = 22,284.12/x
  3. Step 3: Cross multiply
    40,188.90x = 55,461.15 × 22,284.12
  4. Step 4: Simplify right side
    40,188.90x = 1,235,902,921.94
  5. Step 5: Solve for x
    x = 1,235,902,921.94/40,188.90
  6. Step 6: Final answer
    x = 30,752.35

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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.