Home / 38,120.04-57,180.05-18,437.04

Finding the Fourth Proportional to 38,120.04, 57,180.05 and 18,437.04

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Solution

The fourth proportional to 38,120.04, 57,180.05 and 18,437.04 is: 27,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.04 : 57,180.05 = 18,437.04 : x
  2. Step 2: Convert to fraction form
    38,120.04/57,180.05 = 18,437.04/x
  3. Step 3: Cross multiply
    38,120.04x = 57,180.05 × 18,437.04
  4. Step 4: Simplify right side
    38,120.04x = 1,054,230,846.01
  5. Step 5: Solve for x
    x = 1,054,230,846.01/38,120.04
  6. Step 6: Final answer
    x = 27,655.55

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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.