Home / 38,851.55-58,168.82-21,018.44

Finding the Fourth Proportional to 38,851.55, 58,168.82 and 21,018.44

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Solution

The fourth proportional to 38,851.55, 58,168.82 and 21,018.44 is: 31,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.55 : 58,168.82 = 21,018.44 : x
  2. Step 2: Convert to fraction form
    38,851.55/58,168.82 = 21,018.44/x
  3. Step 3: Cross multiply
    38,851.55x = 58,168.82 × 21,018.44
  4. Step 4: Simplify right side
    38,851.55x = 1,222,617,853.04
  5. Step 5: Solve for x
    x = 1,222,617,853.04/38,851.55
  6. Step 6: Final answer
    x = 31,468.96

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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.