Home / 31,967.16-47,950.56-8,591.64

Finding the Fourth Proportional to 31,967.16, 47,950.56 and 8,591.64

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Solution

The fourth proportional to 31,967.16, 47,950.56 and 8,591.64 is: 12,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.16 : 47,950.56 = 8,591.64 : x
  2. Step 2: Convert to fraction form
    31,967.16/47,950.56 = 8,591.64/x
  3. Step 3: Cross multiply
    31,967.16x = 47,950.56 × 8,591.64
  4. Step 4: Simplify right side
    31,967.16x = 411,973,949.32
  5. Step 5: Solve for x
    x = 411,973,949.32/31,967.16
  6. Step 6: Final answer
    x = 12,887.41

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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.