Home / 45,077.38-67,619.90-11,797.40

Finding the Fourth Proportional to 45,077.38, 67,619.90 and 11,797.40

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Solution

The fourth proportional to 45,077.38, 67,619.90 and 11,797.40 is: 17,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,077.38 : 67,619.90 = 11,797.40 : x
  2. Step 2: Convert to fraction form
    45,077.38/67,619.90 = 11,797.40/x
  3. Step 3: Cross multiply
    45,077.38x = 67,619.90 × 11,797.40
  4. Step 4: Simplify right side
    45,077.38x = 797,739,008.26
  5. Step 5: Solve for x
    x = 797,739,008.26/45,077.38
  6. Step 6: Final answer
    x = 17,697.10

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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.