Home / 45,543.60-68,324.76-19,248.48

Finding the Fourth Proportional to 45,543.60, 68,324.76 and 19,248.48

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Solution

The fourth proportional to 45,543.60, 68,324.76 and 19,248.48 is: 28,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.60 : 68,324.76 = 19,248.48 : x
  2. Step 2: Convert to fraction form
    45,543.60/68,324.76 = 19,248.48/x
  3. Step 3: Cross multiply
    45,543.60x = 68,324.76 × 19,248.48
  4. Step 4: Simplify right side
    45,543.60x = 1,315,147,776.36
  5. Step 5: Solve for x
    x = 1,315,147,776.36/45,543.60
  6. Step 6: Final answer
    x = 28,876.68

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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.