Home / 31,919.24-47,947.98-26,090.12

Finding the Fourth Proportional to 31,919.24, 47,947.98 and 26,090.12

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Solution

The fourth proportional to 31,919.24, 47,947.98 and 26,090.12 is: 39,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.24 : 47,947.98 = 26,090.12 : x
  2. Step 2: Convert to fraction form
    31,919.24/47,947.98 = 26,090.12/x
  3. Step 3: Cross multiply
    31,919.24x = 47,947.98 × 26,090.12
  4. Step 4: Simplify right side
    31,919.24x = 1,250,968,551.96
  5. Step 5: Solve for x
    x = 1,250,968,551.96/31,919.24
  6. Step 6: Final answer
    x = 39,191.68

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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.