Home / 38,272.18-57,354.81-18,545.50

Finding the Fourth Proportional to 38,272.18, 57,354.81 and 18,545.50

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Solution

The fourth proportional to 38,272.18, 57,354.81 and 18,545.50 is: 27,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.18 : 57,354.81 = 18,545.50 : x
  2. Step 2: Convert to fraction form
    38,272.18/57,354.81 = 18,545.50/x
  3. Step 3: Cross multiply
    38,272.18x = 57,354.81 × 18,545.50
  4. Step 4: Simplify right side
    38,272.18x = 1,063,673,628.86
  5. Step 5: Solve for x
    x = 1,063,673,628.86/38,272.18
  6. Step 6: Final answer
    x = 27,792.34

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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.