Home / 38,560.19-57,774.26-21,042.32

Finding the Fourth Proportional to 38,560.19, 57,774.26 and 21,042.32

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Solution

The fourth proportional to 38,560.19, 57,774.26 and 21,042.32 is: 31,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.19 : 57,774.26 = 21,042.32 : x
  2. Step 2: Convert to fraction form
    38,560.19/57,774.26 = 21,042.32/x
  3. Step 3: Cross multiply
    38,560.19x = 57,774.26 × 21,042.32
  4. Step 4: Simplify right side
    38,560.19x = 1,215,704,230.42
  5. Step 5: Solve for x
    x = 1,215,704,230.42/38,560.19
  6. Step 6: Final answer
    x = 31,527.45

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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.