Home / 31,616.91-47,411.33-16,822.71

Finding the Fourth Proportional to 31,616.91, 47,411.33 and 16,822.71

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Solution

The fourth proportional to 31,616.91, 47,411.33 and 16,822.71 is: 25,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.91 : 47,411.33 = 16,822.71 : x
  2. Step 2: Convert to fraction form
    31,616.91/47,411.33 = 16,822.71/x
  3. Step 3: Cross multiply
    31,616.91x = 47,411.33 × 16,822.71
  4. Step 4: Simplify right side
    31,616.91x = 797,586,971.19
  5. Step 5: Solve for x
    x = 797,586,971.19/31,616.91
  6. Step 6: Final answer
    x = 25,226.59

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1.5x scale

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.