Home / 61,877.03-85,387.72-35,021.02

Finding the Fourth Proportional to 61,877.03, 85,387.72 and 35,021.02

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Solution

The fourth proportional to 61,877.03, 85,387.72 and 35,021.02 is: 48,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.03 : 85,387.72 = 35,021.02 : x
  2. Step 2: Convert to fraction form
    61,877.03/85,387.72 = 35,021.02/x
  3. Step 3: Cross multiply
    61,877.03x = 85,387.72 × 35,021.02
  4. Step 4: Simplify right side
    61,877.03x = 2,990,365,049.87
  5. Step 5: Solve for x
    x = 2,990,365,049.87/61,877.03
  6. Step 6: Final answer
    x = 48,327.55

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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.