Home / 31,486.77-43,454.81-23,515.16

Finding the Fourth Proportional to 31,486.77, 43,454.81 and 23,515.16

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Solution

The fourth proportional to 31,486.77, 43,454.81 and 23,515.16 is: 32,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.77 : 43,454.81 = 23,515.16 : x
  2. Step 2: Convert to fraction form
    31,486.77/43,454.81 = 23,515.16/x
  3. Step 3: Cross multiply
    31,486.77x = 43,454.81 × 23,515.16
  4. Step 4: Simplify right side
    31,486.77x = 1,021,846,651.43
  5. Step 5: Solve for x
    x = 1,021,846,651.43/31,486.77
  6. Step 6: Final answer
    x = 32,453.21

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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.