Home / 31,601.93-43,608.87-18,869.49

Finding the Fourth Proportional to 31,601.93, 43,608.87 and 18,869.49

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Solution

The fourth proportional to 31,601.93, 43,608.87 and 18,869.49 is: 26,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,601.93 : 43,608.87 = 18,869.49 : x
  2. Step 2: Convert to fraction form
    31,601.93/43,608.87 = 18,869.49/x
  3. Step 3: Cross multiply
    31,601.93x = 43,608.87 × 18,869.49
  4. Step 4: Simplify right side
    31,601.93x = 822,877,136.38
  5. Step 5: Solve for x
    x = 822,877,136.38/31,601.93
  6. Step 6: Final answer
    x = 26,038.83

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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.