Home / 31,468.41-43,426.53-18,039.96

Finding the Fourth Proportional to 31,468.41, 43,426.53 and 18,039.96

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Solution

The fourth proportional to 31,468.41, 43,426.53 and 18,039.96 is: 24,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.41 : 43,426.53 = 18,039.96 : x
  2. Step 2: Convert to fraction form
    31,468.41/43,426.53 = 18,039.96/x
  3. Step 3: Cross multiply
    31,468.41x = 43,426.53 × 18,039.96
  4. Step 4: Simplify right side
    31,468.41x = 783,412,864.14
  5. Step 5: Solve for x
    x = 783,412,864.14/31,468.41
  6. Step 6: Final answer
    x = 24,895.22

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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.