Home / 31,895.34-47,835.68-9,400.20

Finding the Fourth Proportional to 31,895.34, 47,835.68 and 9,400.20

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Solution

The fourth proportional to 31,895.34, 47,835.68 and 9,400.20 is: 14,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.34 : 47,835.68 = 9,400.20 : x
  2. Step 2: Convert to fraction form
    31,895.34/47,835.68 = 9,400.20/x
  3. Step 3: Cross multiply
    31,895.34x = 47,835.68 × 9,400.20
  4. Step 4: Simplify right side
    31,895.34x = 449,664,959.14
  5. Step 5: Solve for x
    x = 449,664,959.14/31,895.34
  6. Step 6: Final answer
    x = 14,098.14

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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.