Home / 65,675.61-98,524.35-21,293.18

Finding the Fourth Proportional to 65,675.61, 98,524.35 and 21,293.18

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Solution

The fourth proportional to 65,675.61, 98,524.35 and 21,293.18 is: 31,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,675.61 : 98,524.35 = 21,293.18 : x
  2. Step 2: Convert to fraction form
    65,675.61/98,524.35 = 21,293.18/x
  3. Step 3: Cross multiply
    65,675.61x = 98,524.35 × 21,293.18
  4. Step 4: Simplify right side
    65,675.61x = 2,097,896,595.78
  5. Step 5: Solve for x
    x = 2,097,896,595.78/65,675.61
  6. Step 6: Final answer
    x = 31,943.31

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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.