Home / 65,438.85-98,158.83-27,979.59

Finding the Fourth Proportional to 65,438.85, 98,158.83 and 27,979.59

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Solution

The fourth proportional to 65,438.85, 98,158.83 and 27,979.59 is: 41,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,438.85 : 98,158.83 = 27,979.59 : x
  2. Step 2: Convert to fraction form
    65,438.85/98,158.83 = 27,979.59/x
  3. Step 3: Cross multiply
    65,438.85x = 98,158.83 × 27,979.59
  4. Step 4: Simplify right side
    65,438.85x = 2,746,443,818.28
  5. Step 5: Solve for x
    x = 2,746,443,818.28/65,438.85
  6. Step 6: Final answer
    x = 41,969.62

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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.