Home / 31,540.06-47,256.53-19,033.80

Finding the Fourth Proportional to 31,540.06, 47,256.53 and 19,033.80

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Solution

The fourth proportional to 31,540.06, 47,256.53 and 19,033.80 is: 28,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.06 : 47,256.53 = 19,033.80 : x
  2. Step 2: Convert to fraction form
    31,540.06/47,256.53 = 19,033.80/x
  3. Step 3: Cross multiply
    31,540.06x = 47,256.53 × 19,033.80
  4. Step 4: Simplify right side
    31,540.06x = 899,471,340.71
  5. Step 5: Solve for x
    x = 899,471,340.71/31,540.06
  6. Step 6: Final answer
    x = 28,518.38

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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.