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Finding the Fourth Proportional to 58,934.96, 88,340.44 and 28,907.68

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Solution

The fourth proportional to 58,934.96, 88,340.44 and 28,907.68 is: 43,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,934.96 : 88,340.44 = 28,907.68 : x
  2. Step 2: Convert to fraction form
    58,934.96/88,340.44 = 28,907.68/x
  3. Step 3: Cross multiply
    58,934.96x = 88,340.44 × 28,907.68
  4. Step 4: Simplify right side
    58,934.96x = 2,553,717,170.58
  5. Step 5: Solve for x
    x = 2,553,717,170.58/58,934.96
  6. Step 6: Final answer
    x = 43,331.11

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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.