Home / 31,299.08-43,193.76-17,151.92

Finding the Fourth Proportional to 31,299.08, 43,193.76 and 17,151.92

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Solution

The fourth proportional to 31,299.08, 43,193.76 and 17,151.92 is: 23,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.08 : 43,193.76 = 17,151.92 : x
  2. Step 2: Convert to fraction form
    31,299.08/43,193.76 = 17,151.92/x
  3. Step 3: Cross multiply
    31,299.08x = 43,193.76 × 17,151.92
  4. Step 4: Simplify right side
    31,299.08x = 740,855,916.02
  5. Step 5: Solve for x
    x = 740,855,916.02/31,299.08
  6. Step 6: Final answer
    x = 23,670.21

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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.