Home / 61,986.12-85,540.50-35,133.71

Finding the Fourth Proportional to 61,986.12, 85,540.50 and 35,133.71

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Solution

The fourth proportional to 61,986.12, 85,540.50 and 35,133.71 is: 48,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,986.12 : 85,540.50 = 35,133.71 : x
  2. Step 2: Convert to fraction form
    61,986.12/85,540.50 = 35,133.71/x
  3. Step 3: Cross multiply
    61,986.12x = 85,540.50 × 35,133.71
  4. Step 4: Simplify right side
    61,986.12x = 3,005,354,692.55
  5. Step 5: Solve for x
    x = 3,005,354,692.55/61,986.12
  6. Step 6: Final answer
    x = 48,484.32

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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.