Home / 65,581.28-98,386.48-18,830.56

Finding the Fourth Proportional to 65,581.28, 98,386.48 and 18,830.56

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Solution

The fourth proportional to 65,581.28, 98,386.48 and 18,830.56 is: 28,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,581.28 : 98,386.48 = 18,830.56 : x
  2. Step 2: Convert to fraction form
    65,581.28/98,386.48 = 18,830.56/x
  3. Step 3: Cross multiply
    65,581.28x = 98,386.48 × 18,830.56
  4. Step 4: Simplify right side
    65,581.28x = 1,852,672,514.83
  5. Step 5: Solve for x
    x = 1,852,672,514.83/65,581.28
  6. Step 6: Final answer
    x = 28,250.02

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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.