Home / 62,380.89-86,095.35-39,729.65

Finding the Fourth Proportional to 62,380.89, 86,095.35 and 39,729.65

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Solution

The fourth proportional to 62,380.89, 86,095.35 and 39,729.65 is: 54,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,380.89 : 86,095.35 = 39,729.65 : x
  2. Step 2: Convert to fraction form
    62,380.89/86,095.35 = 39,729.65/x
  3. Step 3: Cross multiply
    62,380.89x = 86,095.35 × 39,729.65
  4. Step 4: Simplify right side
    62,380.89x = 3,420,537,691.65
  5. Step 5: Solve for x
    x = 3,420,537,691.65/62,380.89
  6. Step 6: Final answer
    x = 54,833.10

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1.5x scale

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.