Home / 33,127.80-49,674.60-9,751.20

Finding the Fourth Proportional to 33,127.80, 49,674.60 and 9,751.20

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Solution

The fourth proportional to 33,127.80, 49,674.60 and 9,751.20 is: 14,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.80 : 49,674.60 = 9,751.20 : x
  2. Step 2: Convert to fraction form
    33,127.80/49,674.60 = 9,751.20/x
  3. Step 3: Cross multiply
    33,127.80x = 49,674.60 × 9,751.20
  4. Step 4: Simplify right side
    33,127.80x = 484,386,959.52
  5. Step 5: Solve for x
    x = 484,386,959.52/33,127.80
  6. Step 6: Final answer
    x = 14,621.77

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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.