Home / 39,152.41-54,029.82-21,247.29

Finding the Fourth Proportional to 39,152.41, 54,029.82 and 21,247.29

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Solution

The fourth proportional to 39,152.41, 54,029.82 and 21,247.29 is: 29,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,152.41 : 54,029.82 = 21,247.29 : x
  2. Step 2: Convert to fraction form
    39,152.41/54,029.82 = 21,247.29/x
  3. Step 3: Cross multiply
    39,152.41x = 54,029.82 × 21,247.29
  4. Step 4: Simplify right side
    39,152.41x = 1,147,987,254.19
  5. Step 5: Solve for x
    x = 1,147,987,254.19/39,152.41
  6. Step 6: Final answer
    x = 29,320.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.