Home / 65,899.38-98,848.14-15,979.92

Finding the Fourth Proportional to 65,899.38, 98,848.14 and 15,979.92

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Solution

The fourth proportional to 65,899.38, 98,848.14 and 15,979.92 is: 23,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,899.38 : 98,848.14 = 15,979.92 : x
  2. Step 2: Convert to fraction form
    65,899.38/98,848.14 = 15,979.92/x
  3. Step 3: Cross multiply
    65,899.38x = 98,848.14 × 15,979.92
  4. Step 4: Simplify right side
    65,899.38x = 1,579,585,369.35
  5. Step 5: Solve for x
    x = 1,579,585,369.35/65,899.38
  6. Step 6: Final answer
    x = 23,969.65

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1.5x scale

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.