Home / 31,355.74-47,033.48-11,360.55

Finding the Fourth Proportional to 31,355.74, 47,033.48 and 11,360.55

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Solution

The fourth proportional to 31,355.74, 47,033.48 and 11,360.55 is: 17,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.74 : 47,033.48 = 11,360.55 : x
  2. Step 2: Convert to fraction form
    31,355.74/47,033.48 = 11,360.55/x
  3. Step 3: Cross multiply
    31,355.74x = 47,033.48 × 11,360.55
  4. Step 4: Simplify right side
    31,355.74x = 534,326,201.21
  5. Step 5: Solve for x
    x = 534,326,201.21/31,355.74
  6. Step 6: Final answer
    x = 17,040.78

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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.