Home / 38,721.62-58,048.02-13,758.38

Finding the Fourth Proportional to 38,721.62, 58,048.02 and 13,758.38

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Solution

The fourth proportional to 38,721.62, 58,048.02 and 13,758.38 is: 20,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.62 : 58,048.02 = 13,758.38 : x
  2. Step 2: Convert to fraction form
    38,721.62/58,048.02 = 13,758.38/x
  3. Step 3: Cross multiply
    38,721.62x = 58,048.02 × 13,758.38
  4. Step 4: Simplify right side
    38,721.62x = 798,646,717.41
  5. Step 5: Solve for x
    x = 798,646,717.41/38,721.62
  6. Step 6: Final answer
    x = 20,625.34

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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.