Home / 31,545.03-47,249.71-14,880.09

Finding the Fourth Proportional to 31,545.03, 47,249.71 and 14,880.09

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Solution

The fourth proportional to 31,545.03, 47,249.71 and 14,880.09 is: 22,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.03 : 47,249.71 = 14,880.09 : x
  2. Step 2: Convert to fraction form
    31,545.03/47,249.71 = 14,880.09/x
  3. Step 3: Cross multiply
    31,545.03x = 47,249.71 × 14,880.09
  4. Step 4: Simplify right side
    31,545.03x = 703,079,937.27
  5. Step 5: Solve for x
    x = 703,079,937.27/31,545.03
  6. Step 6: Final answer
    x = 22,288.14

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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.