Home / 31,438.94-47,165.88-9,253.04

Finding the Fourth Proportional to 31,438.94, 47,165.88 and 9,253.04

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Solution

The fourth proportional to 31,438.94, 47,165.88 and 9,253.04 is: 13,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.94 : 47,165.88 = 9,253.04 : x
  2. Step 2: Convert to fraction form
    31,438.94/47,165.88 = 9,253.04/x
  3. Step 3: Cross multiply
    31,438.94x = 47,165.88 × 9,253.04
  4. Step 4: Simplify right side
    31,438.94x = 436,427,538.45
  5. Step 5: Solve for x
    x = 436,427,538.45/31,438.94
  6. Step 6: Final answer
    x = 13,881.75

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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.