Home / 45,188.17-67,699.12-28,318.04

Finding the Fourth Proportional to 45,188.17, 67,699.12 and 28,318.04

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Solution

The fourth proportional to 45,188.17, 67,699.12 and 28,318.04 is: 42,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.17 : 67,699.12 = 28,318.04 : x
  2. Step 2: Convert to fraction form
    45,188.17/67,699.12 = 28,318.04/x
  3. Step 3: Cross multiply
    45,188.17x = 67,699.12 × 28,318.04
  4. Step 4: Simplify right side
    45,188.17x = 1,917,106,388.12
  5. Step 5: Solve for x
    x = 1,917,106,388.12/45,188.17
  6. Step 6: Final answer
    x = 42,424.96

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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.