Home / 51,713.57-77,551.19-18,424.80

Finding the Fourth Proportional to 51,713.57, 77,551.19 and 18,424.80

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Solution

The fourth proportional to 51,713.57, 77,551.19 and 18,424.80 is: 27,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,713.57 : 77,551.19 = 18,424.80 : x
  2. Step 2: Convert to fraction form
    51,713.57/77,551.19 = 18,424.80/x
  3. Step 3: Cross multiply
    51,713.57x = 77,551.19 × 18,424.80
  4. Step 4: Simplify right side
    51,713.57x = 1,428,865,165.51
  5. Step 5: Solve for x
    x = 1,428,865,165.51/51,713.57
  6. Step 6: Final answer
    x = 27,630.37

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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.