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Finding the Fourth Proportional to 52,866.48, 72,959.07 and 34,930.04

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Solution

The fourth proportional to 52,866.48, 72,959.07 and 34,930.04 is: 48,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,866.48 : 72,959.07 = 34,930.04 : x
  2. Step 2: Convert to fraction form
    52,866.48/72,959.07 = 34,930.04/x
  3. Step 3: Cross multiply
    52,866.48x = 72,959.07 × 34,930.04
  4. Step 4: Simplify right side
    52,866.48x = 2,548,462,868.67
  5. Step 5: Solve for x
    x = 2,548,462,868.67/52,866.48
  6. Step 6: Final answer
    x = 48,205.65

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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.