Home / 31,798.75-47,699.14-15,995.15

Finding the Fourth Proportional to 31,798.75, 47,699.14 and 15,995.15

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Solution

The fourth proportional to 31,798.75, 47,699.14 and 15,995.15 is: 23,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.75 : 47,699.14 = 15,995.15 : x
  2. Step 2: Convert to fraction form
    31,798.75/47,699.14 = 15,995.15/x
  3. Step 3: Cross multiply
    31,798.75x = 47,699.14 × 15,995.15
  4. Step 4: Simplify right side
    31,798.75x = 762,954,899.17
  5. Step 5: Solve for x
    x = 762,954,899.17/31,798.75
  6. Step 6: Final answer
    x = 23,993.24

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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.