Home / 31,183.12-46,781.17-10,123.59

Finding the Fourth Proportional to 31,183.12, 46,781.17 and 10,123.59

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Solution

The fourth proportional to 31,183.12, 46,781.17 and 10,123.59 is: 15,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.12 : 46,781.17 = 10,123.59 : x
  2. Step 2: Convert to fraction form
    31,183.12/46,781.17 = 10,123.59/x
  3. Step 3: Cross multiply
    31,183.12x = 46,781.17 × 10,123.59
  4. Step 4: Simplify right side
    31,183.12x = 473,593,317.13
  5. Step 5: Solve for x
    x = 473,593,317.13/31,183.12
  6. Step 6: Final answer
    x = 15,187.49

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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.