Home / 38,563.16-57,830.14-21,023.44

Finding the Fourth Proportional to 38,563.16, 57,830.14 and 21,023.44

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Solution

The fourth proportional to 38,563.16, 57,830.14 and 21,023.44 is: 31,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.16 : 57,830.14 = 21,023.44 : x
  2. Step 2: Convert to fraction form
    38,563.16/57,830.14 = 21,023.44/x
  3. Step 3: Cross multiply
    38,563.16x = 57,830.14 × 21,023.44
  4. Step 4: Simplify right side
    38,563.16x = 1,215,788,478.48
  5. Step 5: Solve for x
    x = 1,215,788,478.48/38,563.16
  6. Step 6: Final answer
    x = 31,527.20

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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.