Home / 51,823.80-77,736.96-38,759.13

Finding the Fourth Proportional to 51,823.80, 77,736.96 and 38,759.13

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Solution

The fourth proportional to 51,823.80, 77,736.96 and 38,759.13 is: 58,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.80 : 77,736.96 = 38,759.13 : x
  2. Step 2: Convert to fraction form
    51,823.80/77,736.96 = 38,759.13/x
  3. Step 3: Cross multiply
    51,823.80x = 77,736.96 × 38,759.13
  4. Step 4: Simplify right side
    51,823.80x = 3,013,016,938.44
  5. Step 5: Solve for x
    x = 3,013,016,938.44/51,823.80
  6. Step 6: Final answer
    x = 58,139.64

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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.