Home / 65,853.23-90,877.29-35,638.61

Finding the Fourth Proportional to 65,853.23, 90,877.29 and 35,638.61

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Solution

The fourth proportional to 65,853.23, 90,877.29 and 35,638.61 is: 49,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,853.23 : 90,877.29 = 35,638.61 : x
  2. Step 2: Convert to fraction form
    65,853.23/90,877.29 = 35,638.61/x
  3. Step 3: Cross multiply
    65,853.23x = 90,877.29 × 35,638.61
  4. Step 4: Simplify right side
    65,853.23x = 3,238,740,296.17
  5. Step 5: Solve for x
    x = 3,238,740,296.17/65,853.23
  6. Step 6: Final answer
    x = 49,181.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.