Home / 32,505.90-48,765.53-10,318.78

Finding the Fourth Proportional to 32,505.90, 48,765.53 and 10,318.78

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Solution

The fourth proportional to 32,505.90, 48,765.53 and 10,318.78 is: 15,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,505.90 : 48,765.53 = 10,318.78 : x
  2. Step 2: Convert to fraction form
    32,505.90/48,765.53 = 10,318.78/x
  3. Step 3: Cross multiply
    32,505.90x = 48,765.53 × 10,318.78
  4. Step 4: Simplify right side
    32,505.90x = 503,200,775.65
  5. Step 5: Solve for x
    x = 503,200,775.65/32,505.90
  6. Step 6: Final answer
    x = 15,480.29

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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.