Home / 32,519.78-48,774.13-9,140.75

Finding the Fourth Proportional to 32,519.78, 48,774.13 and 9,140.75

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Solution

The fourth proportional to 32,519.78, 48,774.13 and 9,140.75 is: 13,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,519.78 : 48,774.13 = 9,140.75 : x
  2. Step 2: Convert to fraction form
    32,519.78/48,774.13 = 9,140.75/x
  3. Step 3: Cross multiply
    32,519.78x = 48,774.13 × 9,140.75
  4. Step 4: Simplify right side
    32,519.78x = 445,832,128.80
  5. Step 5: Solve for x
    x = 445,832,128.80/32,519.78
  6. Step 6: Final answer
    x = 13,709.57

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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.