Home / 31,699.64-47,542.57-9,507.05

Finding the Fourth Proportional to 31,699.64, 47,542.57 and 9,507.05

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Solution

The fourth proportional to 31,699.64, 47,542.57 and 9,507.05 is: 14,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.64 : 47,542.57 = 9,507.05 : x
  2. Step 2: Convert to fraction form
    31,699.64/47,542.57 = 9,507.05/x
  3. Step 3: Cross multiply
    31,699.64x = 47,542.57 × 9,507.05
  4. Step 4: Simplify right side
    31,699.64x = 451,989,590.12
  5. Step 5: Solve for x
    x = 451,989,590.12/31,699.64
  6. Step 6: Final answer
    x = 14,258.51

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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.