Home / 34,060.76-47,003.13-19,721.21

Finding the Fourth Proportional to 34,060.76, 47,003.13 and 19,721.21

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Solution

The fourth proportional to 34,060.76, 47,003.13 and 19,721.21 is: 27,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,060.76 : 47,003.13 = 19,721.21 : x
  2. Step 2: Convert to fraction form
    34,060.76/47,003.13 = 19,721.21/x
  3. Step 3: Cross multiply
    34,060.76x = 47,003.13 × 19,721.21
  4. Step 4: Simplify right side
    34,060.76x = 926,958,597.39
  5. Step 5: Solve for x
    x = 926,958,597.39/34,060.76
  6. Step 6: Final answer
    x = 27,214.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.