Home / 45,317.28-67,985.60-19,006.80

Finding the Fourth Proportional to 45,317.28, 67,985.60 and 19,006.80

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Solution

The fourth proportional to 45,317.28, 67,985.60 and 19,006.80 is: 28,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,317.28 : 67,985.60 = 19,006.80 : x
  2. Step 2: Convert to fraction form
    45,317.28/67,985.60 = 19,006.80/x
  3. Step 3: Cross multiply
    45,317.28x = 67,985.60 × 19,006.80
  4. Step 4: Simplify right side
    45,317.28x = 1,292,188,702.08
  5. Step 5: Solve for x
    x = 1,292,188,702.08/45,317.28
  6. Step 6: Final answer
    x = 28,514.26

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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.