Home / 36,081.74-54,089.49-13,888.46

Finding the Fourth Proportional to 36,081.74, 54,089.49 and 13,888.46

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Solution

The fourth proportional to 36,081.74, 54,089.49 and 13,888.46 is: 20,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.74 : 54,089.49 = 13,888.46 : x
  2. Step 2: Convert to fraction form
    36,081.74/54,089.49 = 13,888.46/x
  3. Step 3: Cross multiply
    36,081.74x = 54,089.49 × 13,888.46
  4. Step 4: Simplify right side
    36,081.74x = 751,219,718.29
  5. Step 5: Solve for x
    x = 751,219,718.29/36,081.74
  6. Step 6: Final answer
    x = 20,819.94

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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.