Home / 38,969.14-58,459.98-13,675.68

Finding the Fourth Proportional to 38,969.14, 58,459.98 and 13,675.68

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Solution

The fourth proportional to 38,969.14, 58,459.98 and 13,675.68 is: 20,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969.14 : 58,459.98 = 13,675.68 : x
  2. Step 2: Convert to fraction form
    38,969.14/58,459.98 = 13,675.68/x
  3. Step 3: Cross multiply
    38,969.14x = 58,459.98 × 13,675.68
  4. Step 4: Simplify right side
    38,969.14x = 799,479,979.29
  5. Step 5: Solve for x
    x = 799,479,979.29/38,969.14
  6. Step 6: Final answer
    x = 20,515.72

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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.