Home / 51,943.13-71,681.28-28,069.73

Finding the Fourth Proportional to 51,943.13, 71,681.28 and 28,069.73

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Solution

The fourth proportional to 51,943.13, 71,681.28 and 28,069.73 is: 38,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.13 : 71,681.28 = 28,069.73 : x
  2. Step 2: Convert to fraction form
    51,943.13/71,681.28 = 28,069.73/x
  3. Step 3: Cross multiply
    51,943.13x = 71,681.28 × 28,069.73
  4. Step 4: Simplify right side
    51,943.13x = 2,012,074,175.65
  5. Step 5: Solve for x
    x = 2,012,074,175.65/51,943.13
  6. Step 6: Final answer
    x = 38,736.10

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1.5x scale

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.