Home / 39,245.85-58,868.51-12,952.71

Finding the Fourth Proportional to 39,245.85, 58,868.51 and 12,952.71

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Solution

The fourth proportional to 39,245.85, 58,868.51 and 12,952.71 is: 19,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.85 : 58,868.51 = 12,952.71 : x
  2. Step 2: Convert to fraction form
    39,245.85/58,868.51 = 12,952.71/x
  3. Step 3: Cross multiply
    39,245.85x = 58,868.51 × 12,952.71
  4. Step 4: Simplify right side
    39,245.85x = 762,506,673.40
  5. Step 5: Solve for x
    x = 762,506,673.40/39,245.85
  6. Step 6: Final answer
    x = 19,428.98

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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.