Home / 65,509.24-98,246.85-18,751.18

Finding the Fourth Proportional to 65,509.24, 98,246.85 and 18,751.18

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Solution

The fourth proportional to 65,509.24, 98,246.85 and 18,751.18 is: 28,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,509.24 : 98,246.85 = 18,751.18 : x
  2. Step 2: Convert to fraction form
    65,509.24/98,246.85 = 18,751.18/x
  3. Step 3: Cross multiply
    65,509.24x = 98,246.85 × 18,751.18
  4. Step 4: Simplify right side
    65,509.24x = 1,842,244,368.78
  5. Step 5: Solve for x
    x = 1,842,244,368.78/65,509.24
  6. Step 6: Final answer
    x = 28,121.90

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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.