Home / 31,850.32-47,775.58-9,663.88

Finding the Fourth Proportional to 31,850.32, 47,775.58 and 9,663.88

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Solution

The fourth proportional to 31,850.32, 47,775.58 and 9,663.88 is: 14,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.32 : 47,775.58 = 9,663.88 : x
  2. Step 2: Convert to fraction form
    31,850.32/47,775.58 = 9,663.88/x
  3. Step 3: Cross multiply
    31,850.32x = 47,775.58 × 9,663.88
  4. Step 4: Simplify right side
    31,850.32x = 461,697,233.17
  5. Step 5: Solve for x
    x = 461,697,233.17/31,850.32
  6. Step 6: Final answer
    x = 14,495.85

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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.