Home / 77,291.79-115,948.68-23,988.36

Finding the Fourth Proportional to 77,291.79, 115,948.68 and 23,988.36

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Solution

The fourth proportional to 77,291.79, 115,948.68 and 23,988.36 is: 35,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,291.79 : 115,948.68 = 23,988.36 : x
  2. Step 2: Convert to fraction form
    77,291.79/115,948.68 = 23,988.36/x
  3. Step 3: Cross multiply
    77,291.79x = 115,948.68 × 23,988.36
  4. Step 4: Simplify right side
    77,291.79x = 2,781,418,677.36
  5. Step 5: Solve for x
    x = 2,781,418,677.36/77,291.79
  6. Step 6: Final answer
    x = 35,985.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.