Home / 34,121.76-47,077.20-19,214.88

Finding the Fourth Proportional to 34,121.76, 47,077.20 and 19,214.88

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Solution

The fourth proportional to 34,121.76, 47,077.20 and 19,214.88 is: 26,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.76 : 47,077.20 = 19,214.88 : x
  2. Step 2: Convert to fraction form
    34,121.76/47,077.20 = 19,214.88/x
  3. Step 3: Cross multiply
    34,121.76x = 47,077.20 × 19,214.88
  4. Step 4: Simplify right side
    34,121.76x = 904,582,748.74
  5. Step 5: Solve for x
    x = 904,582,748.74/34,121.76
  6. Step 6: Final answer
    x = 26,510.44

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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.