Home / 65,521.38-98,282.06-18,774.25

Finding the Fourth Proportional to 65,521.38, 98,282.06 and 18,774.25

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Solution

The fourth proportional to 65,521.38, 98,282.06 and 18,774.25 is: 28,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,521.38 : 98,282.06 = 18,774.25 : x
  2. Step 2: Convert to fraction form
    65,521.38/98,282.06 = 18,774.25/x
  3. Step 3: Cross multiply
    65,521.38x = 98,282.06 × 18,774.25
  4. Step 4: Simplify right side
    65,521.38x = 1,845,172,011.89
  5. Step 5: Solve for x
    x = 1,845,172,011.89/65,521.38
  6. Step 6: Final answer
    x = 28,161.38

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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.