Home / 40,723.77-61,095.23-12,642.39

Finding the Fourth Proportional to 40,723.77, 61,095.23 and 12,642.39

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Solution

The fourth proportional to 40,723.77, 61,095.23 and 12,642.39 is: 18,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723.77 : 61,095.23 = 12,642.39 : x
  2. Step 2: Convert to fraction form
    40,723.77/61,095.23 = 12,642.39/x
  3. Step 3: Cross multiply
    40,723.77x = 61,095.23 × 12,642.39
  4. Step 4: Simplify right side
    40,723.77x = 772,389,709.00
  5. Step 5: Solve for x
    x = 772,389,709.00/40,723.77
  6. Step 6: Final answer
    x = 18,966.56

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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.