Home / 77,315.22-115,979.91-24,007.50

Finding the Fourth Proportional to 77,315.22, 115,979.91 and 24,007.50

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Solution

The fourth proportional to 77,315.22, 115,979.91 and 24,007.50 is: 36,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,315.22 : 115,979.91 = 24,007.50 : x
  2. Step 2: Convert to fraction form
    77,315.22/115,979.91 = 24,007.50/x
  3. Step 3: Cross multiply
    77,315.22x = 115,979.91 × 24,007.50
  4. Step 4: Simplify right side
    77,315.22x = 2,784,387,689.33
  5. Step 5: Solve for x
    x = 2,784,387,689.33/77,315.22
  6. Step 6: Final answer
    x = 36,013.45

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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.