Home / 38,190.98-57,328.34-30,343.92

Finding the Fourth Proportional to 38,190.98, 57,328.34 and 30,343.92

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Solution

The fourth proportional to 38,190.98, 57,328.34 and 30,343.92 is: 45,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.98 : 57,328.34 = 30,343.92 : x
  2. Step 2: Convert to fraction form
    38,190.98/57,328.34 = 30,343.92/x
  3. Step 3: Cross multiply
    38,190.98x = 57,328.34 × 30,343.92
  4. Step 4: Simplify right side
    38,190.98x = 1,739,566,562.69
  5. Step 5: Solve for x
    x = 1,739,566,562.69/38,190.98
  6. Step 6: Final answer
    x = 45,549.15

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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.