Home / 38,005.90-56,995.17-13,039.48

Finding the Fourth Proportional to 38,005.90, 56,995.17 and 13,039.48

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Solution

The fourth proportional to 38,005.90, 56,995.17 and 13,039.48 is: 19,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.90 : 56,995.17 = 13,039.48 : x
  2. Step 2: Convert to fraction form
    38,005.90/56,995.17 = 13,039.48/x
  3. Step 3: Cross multiply
    38,005.90x = 56,995.17 × 13,039.48
  4. Step 4: Simplify right side
    38,005.90x = 743,187,379.31
  5. Step 5: Solve for x
    x = 743,187,379.31/38,005.90
  6. Step 6: Final answer
    x = 19,554.53

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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.