Home / 38,357.20-57,459.16-30,473.04

Finding the Fourth Proportional to 38,357.20, 57,459.16 and 30,473.04

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Solution

The fourth proportional to 38,357.20, 57,459.16 and 30,473.04 is: 45,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.20 : 57,459.16 = 30,473.04 : x
  2. Step 2: Convert to fraction form
    38,357.20/57,459.16 = 30,473.04/x
  3. Step 3: Cross multiply
    38,357.20x = 57,459.16 × 30,473.04
  4. Step 4: Simplify right side
    38,357.20x = 1,750,955,281.05
  5. Step 5: Solve for x
    x = 1,750,955,281.05/38,357.20
  6. Step 6: Final answer
    x = 45,648.67

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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.