Home / 38,954.16-58,425.48-12,655.44

Finding the Fourth Proportional to 38,954.16, 58,425.48 and 12,655.44

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Solution

The fourth proportional to 38,954.16, 58,425.48 and 12,655.44 is: 18,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954.16 : 58,425.48 = 12,655.44 : x
  2. Step 2: Convert to fraction form
    38,954.16/58,425.48 = 12,655.44/x
  3. Step 3: Cross multiply
    38,954.16x = 58,425.48 × 12,655.44
  4. Step 4: Simplify right side
    38,954.16x = 739,400,156.61
  5. Step 5: Solve for x
    x = 739,400,156.61/38,954.16
  6. Step 6: Final answer
    x = 18,981.29

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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.