Home / 31,087.36-42,882.16-22,002.48

Finding the Fourth Proportional to 31,087.36, 42,882.16 and 22,002.48

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Solution

The fourth proportional to 31,087.36, 42,882.16 and 22,002.48 is: 30,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,087.36 : 42,882.16 = 22,002.48 : x
  2. Step 2: Convert to fraction form
    31,087.36/42,882.16 = 22,002.48/x
  3. Step 3: Cross multiply
    31,087.36x = 42,882.16 × 22,002.48
  4. Step 4: Simplify right side
    31,087.36x = 943,513,867.76
  5. Step 5: Solve for x
    x = 943,513,867.76/31,087.36
  6. Step 6: Final answer
    x = 30,350.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.