Home / 38,655.96-57,995.01-18,940.29

Finding the Fourth Proportional to 38,655.96, 57,995.01 and 18,940.29

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Solution

The fourth proportional to 38,655.96, 57,995.01 and 18,940.29 is: 28,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655.96 : 57,995.01 = 18,940.29 : x
  2. Step 2: Convert to fraction form
    38,655.96/57,995.01 = 18,940.29/x
  3. Step 3: Cross multiply
    38,655.96x = 57,995.01 × 18,940.29
  4. Step 4: Simplify right side
    38,655.96x = 1,098,442,307.95
  5. Step 5: Solve for x
    x = 1,098,442,307.95/38,655.96
  6. Step 6: Final answer
    x = 28,415.86

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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.