Home / 43,257.62-64,888.74-40,891.07

Finding the Fourth Proportional to 43,257.62, 64,888.74 and 40,891.07

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Solution

The fourth proportional to 43,257.62, 64,888.74 and 40,891.07 is: 61,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,257.62 : 64,888.74 = 40,891.07 : x
  2. Step 2: Convert to fraction form
    43,257.62/64,888.74 = 40,891.07/x
  3. Step 3: Cross multiply
    43,257.62x = 64,888.74 × 40,891.07
  4. Step 4: Simplify right side
    43,257.62x = 2,653,369,685.11
  5. Step 5: Solve for x
    x = 2,653,369,685.11/43,257.62
  6. Step 6: Final answer
    x = 61,338.79

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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.