Home / 68,018.46-93,838.50-39,332.82

Finding the Fourth Proportional to 68,018.46, 93,838.50 and 39,332.82

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Solution

The fourth proportional to 68,018.46, 93,838.50 and 39,332.82 is: 54,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.46 : 93,838.50 = 39,332.82 : x
  2. Step 2: Convert to fraction form
    68,018.46/93,838.50 = 39,332.82/x
  3. Step 3: Cross multiply
    68,018.46x = 93,838.50 × 39,332.82
  4. Step 4: Simplify right side
    68,018.46x = 3,690,932,829.57
  5. Step 5: Solve for x
    x = 3,690,932,829.57/68,018.46
  6. Step 6: Final answer
    x = 54,263.69

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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.