Home / 41,387.52-62,083.71-12,920.61

Finding the Fourth Proportional to 41,387.52, 62,083.71 and 12,920.61

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Solution

The fourth proportional to 41,387.52, 62,083.71 and 12,920.61 is: 19,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,387.52 : 62,083.71 = 12,920.61 : x
  2. Step 2: Convert to fraction form
    41,387.52/62,083.71 = 12,920.61/x
  3. Step 3: Cross multiply
    41,387.52x = 62,083.71 × 12,920.61
  4. Step 4: Simplify right side
    41,387.52x = 802,159,404.26
  5. Step 5: Solve for x
    x = 802,159,404.26/41,387.52
  6. Step 6: Final answer
    x = 19,381.67

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1.5x scale

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.