Home / 40,891.77-61,263.50-18,723.69

Finding the Fourth Proportional to 40,891.77, 61,263.50 and 18,723.69

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Solution

The fourth proportional to 40,891.77, 61,263.50 and 18,723.69 is: 28,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.77 : 61,263.50 = 18,723.69 : x
  2. Step 2: Convert to fraction form
    40,891.77/61,263.50 = 18,723.69/x
  3. Step 3: Cross multiply
    40,891.77x = 61,263.50 × 18,723.69
  4. Step 4: Simplify right side
    40,891.77x = 1,147,078,688.70
  5. Step 5: Solve for x
    x = 1,147,078,688.70/40,891.77
  6. Step 6: Final answer
    x = 28,051.58

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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.