Home / 38,320.02-57,479.76-10,618.02

Finding the Fourth Proportional to 38,320.02, 57,479.76 and 10,618.02

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Solution

The fourth proportional to 38,320.02, 57,479.76 and 10,618.02 is: 15,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.02 : 57,479.76 = 10,618.02 : x
  2. Step 2: Convert to fraction form
    38,320.02/57,479.76 = 10,618.02/x
  3. Step 3: Cross multiply
    38,320.02x = 57,479.76 × 10,618.02
  4. Step 4: Simplify right side
    38,320.02x = 610,321,241.28
  5. Step 5: Solve for x
    x = 610,321,241.28/38,320.02
  6. Step 6: Final answer
    x = 15,926.96

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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.