Home / 31,562.06-47,302.17-12,820.14

Finding the Fourth Proportional to 31,562.06, 47,302.17 and 12,820.14

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Solution

The fourth proportional to 31,562.06, 47,302.17 and 12,820.14 is: 19,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.06 : 47,302.17 = 12,820.14 : x
  2. Step 2: Convert to fraction form
    31,562.06/47,302.17 = 12,820.14/x
  3. Step 3: Cross multiply
    31,562.06x = 47,302.17 × 12,820.14
  4. Step 4: Simplify right side
    31,562.06x = 606,420,441.70
  5. Step 5: Solve for x
    x = 606,420,441.70/31,562.06
  6. Step 6: Final answer
    x = 19,213.59

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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.