Home / 53,517.19-79,950.30-34,643.47

Finding the Fourth Proportional to 53,517.19, 79,950.30 and 34,643.47

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Solution

The fourth proportional to 53,517.19, 79,950.30 and 34,643.47 is: 51,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.19 : 79,950.30 = 34,643.47 : x
  2. Step 2: Convert to fraction form
    53,517.19/79,950.30 = 34,643.47/x
  3. Step 3: Cross multiply
    53,517.19x = 79,950.30 × 34,643.47
  4. Step 4: Simplify right side
    53,517.19x = 2,769,755,819.54
  5. Step 5: Solve for x
    x = 2,769,755,819.54/53,517.19
  6. Step 6: Final answer
    x = 51,754.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.