Home / 31,465.52-47,190.72-9,272.90

Finding the Fourth Proportional to 31,465.52, 47,190.72 and 9,272.90

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Solution

The fourth proportional to 31,465.52, 47,190.72 and 9,272.90 is: 13,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.52 : 47,190.72 = 9,272.90 : x
  2. Step 2: Convert to fraction form
    31,465.52/47,190.72 = 9,272.90/x
  3. Step 3: Cross multiply
    31,465.52x = 47,190.72 × 9,272.90
  4. Step 4: Simplify right side
    31,465.52x = 437,594,827.49
  5. Step 5: Solve for x
    x = 437,594,827.49/31,465.52
  6. Step 6: Final answer
    x = 13,907.12

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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.