Home / 42,329.12-63,369.07-31,285.04

Finding the Fourth Proportional to 42,329.12, 63,369.07 and 31,285.04

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Solution

The fourth proportional to 42,329.12, 63,369.07 and 31,285.04 is: 46,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,329.12 : 63,369.07 = 31,285.04 : x
  2. Step 2: Convert to fraction form
    42,329.12/63,369.07 = 31,285.04/x
  3. Step 3: Cross multiply
    42,329.12x = 63,369.07 × 31,285.04
  4. Step 4: Simplify right side
    42,329.12x = 1,982,503,494.65
  5. Step 5: Solve for x
    x = 1,982,503,494.65/42,329.12
  6. Step 6: Final answer
    x = 46,835.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.