Home / 38,821.31-58,244.26-13,860.80

Finding the Fourth Proportional to 38,821.31, 58,244.26 and 13,860.80

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Solution

The fourth proportional to 38,821.31, 58,244.26 and 13,860.80 is: 20,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.31 : 58,244.26 = 13,860.80 : x
  2. Step 2: Convert to fraction form
    38,821.31/58,244.26 = 13,860.80/x
  3. Step 3: Cross multiply
    38,821.31x = 58,244.26 × 13,860.80
  4. Step 4: Simplify right side
    38,821.31x = 807,312,129.14
  5. Step 5: Solve for x
    x = 807,312,129.14/38,821.31
  6. Step 6: Final answer
    x = 20,795.59

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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.