Home / 61,878.12-85,391.70-35,020.14

Finding the Fourth Proportional to 61,878.12, 85,391.70 and 35,020.14

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Solution

The fourth proportional to 61,878.12, 85,391.70 and 35,020.14 is: 48,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,878.12 : 85,391.70 = 35,020.14 : x
  2. Step 2: Convert to fraction form
    61,878.12/85,391.70 = 35,020.14/x
  3. Step 3: Cross multiply
    61,878.12x = 85,391.70 × 35,020.14
  4. Step 4: Simplify right side
    61,878.12x = 2,990,429,288.84
  5. Step 5: Solve for x
    x = 2,990,429,288.84/61,878.12
  6. Step 6: Final answer
    x = 48,327.73

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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.