Home / 40,187.64-55,459.28-22,282.90

Finding the Fourth Proportional to 40,187.64, 55,459.28 and 22,282.90

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Solution

The fourth proportional to 40,187.64, 55,459.28 and 22,282.90 is: 30,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.64 : 55,459.28 = 22,282.90 : x
  2. Step 2: Convert to fraction form
    40,187.64/55,459.28 = 22,282.90/x
  3. Step 3: Cross multiply
    40,187.64x = 55,459.28 × 22,282.90
  4. Step 4: Simplify right side
    40,187.64x = 1,235,793,507.37
  5. Step 5: Solve for x
    x = 1,235,793,507.37/40,187.64
  6. Step 6: Final answer
    x = 30,750.58

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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.