Home / 65,854.64-98,778.48-18,473.02

Finding the Fourth Proportional to 65,854.64, 98,778.48 and 18,473.02

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Solution

The fourth proportional to 65,854.64, 98,778.48 and 18,473.02 is: 27,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,854.64 : 98,778.48 = 18,473.02 : x
  2. Step 2: Convert to fraction form
    65,854.64/98,778.48 = 18,473.02/x
  3. Step 3: Cross multiply
    65,854.64x = 98,778.48 × 18,473.02
  4. Step 4: Simplify right side
    65,854.64x = 1,824,736,960.08
  5. Step 5: Solve for x
    x = 1,824,736,960.08/65,854.64
  6. Step 6: Final answer
    x = 27,708.55

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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.