Home / 38,659.20-57,967.20-17,856.96

Finding the Fourth Proportional to 38,659.20, 57,967.20 and 17,856.96

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Solution

The fourth proportional to 38,659.20, 57,967.20 and 17,856.96 is: 26,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.20 : 57,967.20 = 17,856.96 : x
  2. Step 2: Convert to fraction form
    38,659.20/57,967.20 = 17,856.96/x
  3. Step 3: Cross multiply
    38,659.20x = 57,967.20 × 17,856.96
  4. Step 4: Simplify right side
    38,659.20x = 1,035,117,971.71
  5. Step 5: Solve for x
    x = 1,035,117,971.71/38,659.20
  6. Step 6: Final answer
    x = 26,775.46

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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.