Home / 38,412.60-57,618.90-34,330.20

Finding the Fourth Proportional to 38,412.60, 57,618.90 and 34,330.20

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Solution

The fourth proportional to 38,412.60, 57,618.90 and 34,330.20 is: 51,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.60 : 57,618.90 = 34,330.20 : x
  2. Step 2: Convert to fraction form
    38,412.60/57,618.90 = 34,330.20/x
  3. Step 3: Cross multiply
    38,412.60x = 57,618.90 × 34,330.20
  4. Step 4: Simplify right side
    38,412.60x = 1,978,068,360.78
  5. Step 5: Solve for x
    x = 1,978,068,360.78/38,412.60
  6. Step 6: Final answer
    x = 51,495.30

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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.