Home / 39,166.56-58,747.95-12,871.53

Finding the Fourth Proportional to 39,166.56, 58,747.95 and 12,871.53

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Solution

The fourth proportional to 39,166.56, 58,747.95 and 12,871.53 is: 19,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.56 : 58,747.95 = 12,871.53 : x
  2. Step 2: Convert to fraction form
    39,166.56/58,747.95 = 12,871.53/x
  3. Step 3: Cross multiply
    39,166.56x = 58,747.95 × 12,871.53
  4. Step 4: Simplify right side
    39,166.56x = 756,176,000.86
  5. Step 5: Solve for x
    x = 756,176,000.86/39,166.56
  6. Step 6: Final answer
    x = 19,306.67

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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.