Home / 34,036.76-50,988.72-19,200.80

Finding the Fourth Proportional to 34,036.76, 50,988.72 and 19,200.80

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Solution

The fourth proportional to 34,036.76, 50,988.72 and 19,200.80 is: 28,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,036.76 : 50,988.72 = 19,200.80 : x
  2. Step 2: Convert to fraction form
    34,036.76/50,988.72 = 19,200.80/x
  3. Step 3: Cross multiply
    34,036.76x = 50,988.72 × 19,200.80
  4. Step 4: Simplify right side
    34,036.76x = 979,024,214.98
  5. Step 5: Solve for x
    x = 979,024,214.98/34,036.76
  6. Step 6: Final answer
    x = 28,763.73

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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.