Home / 31,578.04-47,367.06-16,000.12

Finding the Fourth Proportional to 31,578.04, 47,367.06 and 16,000.12

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Solution

The fourth proportional to 31,578.04, 47,367.06 and 16,000.12 is: 24,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.04 : 47,367.06 = 16,000.12 : x
  2. Step 2: Convert to fraction form
    31,578.04/47,367.06 = 16,000.12/x
  3. Step 3: Cross multiply
    31,578.04x = 47,367.06 × 16,000.12
  4. Step 4: Simplify right side
    31,578.04x = 757,878,644.05
  5. Step 5: Solve for x
    x = 757,878,644.05/31,578.04
  6. Step 6: Final answer
    x = 24,000.18

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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.