Home / 38,535.24-57,763.45-21,860.05

Finding the Fourth Proportional to 38,535.24, 57,763.45 and 21,860.05

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Solution

The fourth proportional to 38,535.24, 57,763.45 and 21,860.05 is: 32,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.24 : 57,763.45 = 21,860.05 : x
  2. Step 2: Convert to fraction form
    38,535.24/57,763.45 = 21,860.05/x
  3. Step 3: Cross multiply
    38,535.24x = 57,763.45 × 21,860.05
  4. Step 4: Simplify right side
    38,535.24x = 1,262,711,846.19
  5. Step 5: Solve for x
    x = 1,262,711,846.19/38,535.24
  6. Step 6: Final answer
    x = 32,767.72

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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.