Home / 37,123.68-55,680.12-10,821.36

Finding the Fourth Proportional to 37,123.68, 55,680.12 and 10,821.36

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Solution

The fourth proportional to 37,123.68, 55,680.12 and 10,821.36 is: 16,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,123.68 : 55,680.12 = 10,821.36 : x
  2. Step 2: Convert to fraction form
    37,123.68/55,680.12 = 10,821.36/x
  3. Step 3: Cross multiply
    37,123.68x = 55,680.12 × 10,821.36
  4. Step 4: Simplify right side
    37,123.68x = 602,534,623.36
  5. Step 5: Solve for x
    x = 602,534,623.36/37,123.68
  6. Step 6: Final answer
    x = 16,230.47

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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.