Home / 38,189.98-57,326.84-30,342.92

Finding the Fourth Proportional to 38,189.98, 57,326.84 and 30,342.92

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Solution

The fourth proportional to 38,189.98, 57,326.84 and 30,342.92 is: 45,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.98 : 57,326.84 = 30,342.92 : x
  2. Step 2: Convert to fraction form
    38,189.98/57,326.84 = 30,342.92/x
  3. Step 3: Cross multiply
    38,189.98x = 57,326.84 × 30,342.92
  4. Step 4: Simplify right side
    38,189.98x = 1,739,463,719.97
  5. Step 5: Solve for x
    x = 1,739,463,719.97/38,189.98
  6. Step 6: Final answer
    x = 45,547.65

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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.