Home / 65,853.48-90,877.10-35,638.14

Finding the Fourth Proportional to 65,853.48, 90,877.10 and 35,638.14

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Solution

The fourth proportional to 65,853.48, 90,877.10 and 35,638.14 is: 49,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,853.48 : 90,877.10 = 35,638.14 : x
  2. Step 2: Convert to fraction form
    65,853.48/90,877.10 = 35,638.14/x
  3. Step 3: Cross multiply
    65,853.48x = 90,877.10 × 35,638.14
  4. Step 4: Simplify right side
    65,853.48x = 3,238,690,812.59
  5. Step 5: Solve for x
    x = 3,238,690,812.59/65,853.48
  6. Step 6: Final answer
    x = 49,180.25

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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.