Home / 51,728.77-71,382.99-29,068.66

Finding the Fourth Proportional to 51,728.77, 71,382.99 and 29,068.66

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Solution

The fourth proportional to 51,728.77, 71,382.99 and 29,068.66 is: 40,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,728.77 : 71,382.99 = 29,068.66 : x
  2. Step 2: Convert to fraction form
    51,728.77/71,382.99 = 29,068.66/x
  3. Step 3: Cross multiply
    51,728.77x = 71,382.99 × 29,068.66
  4. Step 4: Simplify right side
    51,728.77x = 2,075,007,866.09
  5. Step 5: Solve for x
    x = 2,075,007,866.09/51,728.77
  6. Step 6: Final answer
    x = 40,113.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.