Home / 38,816.54-58,224.77-12,521.28

Finding the Fourth Proportional to 38,816.54, 58,224.77 and 12,521.28

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Solution

The fourth proportional to 38,816.54, 58,224.77 and 12,521.28 is: 18,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816.54 : 58,224.77 = 12,521.28 : x
  2. Step 2: Convert to fraction form
    38,816.54/58,224.77 = 12,521.28/x
  3. Step 3: Cross multiply
    38,816.54x = 58,224.77 × 12,521.28
  4. Step 4: Simplify right side
    38,816.54x = 729,048,552.78
  5. Step 5: Solve for x
    x = 729,048,552.78/38,816.54
  6. Step 6: Final answer
    x = 18,781.91

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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.