Home / 31,521.51-47,289.18-9,336.60

Finding the Fourth Proportional to 31,521.51, 47,289.18 and 9,336.60

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Solution

The fourth proportional to 31,521.51, 47,289.18 and 9,336.60 is: 14,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.51 : 47,289.18 = 9,336.60 : x
  2. Step 2: Convert to fraction form
    31,521.51/47,289.18 = 9,336.60/x
  3. Step 3: Cross multiply
    31,521.51x = 47,289.18 × 9,336.60
  4. Step 4: Simplify right side
    31,521.51x = 441,520,157.99
  5. Step 5: Solve for x
    x = 441,520,157.99/31,521.51
  6. Step 6: Final answer
    x = 14,006.95

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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.