Home / 31,442.15-47,171.19-9,256.25

Finding the Fourth Proportional to 31,442.15, 47,171.19 and 9,256.25

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Solution

The fourth proportional to 31,442.15, 47,171.19 and 9,256.25 is: 13,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.15 : 47,171.19 = 9,256.25 : x
  2. Step 2: Convert to fraction form
    31,442.15/47,171.19 = 9,256.25/x
  3. Step 3: Cross multiply
    31,442.15x = 47,171.19 × 9,256.25
  4. Step 4: Simplify right side
    31,442.15x = 436,628,327.44
  5. Step 5: Solve for x
    x = 436,628,327.44/31,442.15
  6. Step 6: Final answer
    x = 13,886.72

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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.