Home / 40,419.18-55,777.01-22,513.82

Finding the Fourth Proportional to 40,419.18, 55,777.01 and 22,513.82

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Solution

The fourth proportional to 40,419.18, 55,777.01 and 22,513.82 is: 31,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.18 : 55,777.01 = 22,513.82 : x
  2. Step 2: Convert to fraction form
    40,419.18/55,777.01 = 22,513.82/x
  3. Step 3: Cross multiply
    40,419.18x = 55,777.01 × 22,513.82
  4. Step 4: Simplify right side
    40,419.18x = 1,255,753,171.82
  5. Step 5: Solve for x
    x = 1,255,753,171.82/40,419.18
  6. Step 6: Final answer
    x = 31,068.25

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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.