Home / 38,074.06-57,116.56-11,780.84

Finding the Fourth Proportional to 38,074.06, 57,116.56 and 11,780.84

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Solution

The fourth proportional to 38,074.06, 57,116.56 and 11,780.84 is: 17,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.06 : 57,116.56 = 11,780.84 : x
  2. Step 2: Convert to fraction form
    38,074.06/57,116.56 = 11,780.84/x
  3. Step 3: Cross multiply
    38,074.06x = 57,116.56 × 11,780.84
  4. Step 4: Simplify right side
    38,074.06x = 672,881,054.71
  5. Step 5: Solve for x
    x = 672,881,054.71/38,074.06
  6. Step 6: Final answer
    x = 17,672.95

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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.