Home / 65,851.20-98,748-19,103.04

Finding the Fourth Proportional to 65,851.20, 98,748 and 19,103.04

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Solution

The fourth proportional to 65,851.20, 98,748 and 19,103.04 is: 28,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,851.20 : 98,748 = 19,103.04 : x
  2. Step 2: Convert to fraction form
    65,851.20/98,748 = 19,103.04/x
  3. Step 3: Cross multiply
    65,851.20x = 98,748 × 19,103.04
  4. Step 4: Simplify right side
    65,851.20x = 1,886,386,993.92
  5. Step 5: Solve for x
    x = 1,886,386,993.92/65,851.20
  6. Step 6: Final answer
    x = 28,646.21

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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.