Home / 67,939.65-93,735.69-39,248.84

Finding the Fourth Proportional to 67,939.65, 93,735.69 and 39,248.84

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Solution

The fourth proportional to 67,939.65, 93,735.69 and 39,248.84 is: 54,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.65 : 93,735.69 = 39,248.84 : x
  2. Step 2: Convert to fraction form
    67,939.65/93,735.69 = 39,248.84/x
  3. Step 3: Cross multiply
    67,939.65x = 93,735.69 × 39,248.84
  4. Step 4: Simplify right side
    67,939.65x = 3,679,017,033.01
  5. Step 5: Solve for x
    x = 3,679,017,033.01/67,939.65
  6. Step 6: Final answer
    x = 54,151.25

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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.