Home / 31,200.83-43,060.11-17,055.80

Finding the Fourth Proportional to 31,200.83, 43,060.11 and 17,055.80

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Solution

The fourth proportional to 31,200.83, 43,060.11 and 17,055.80 is: 23,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.83 : 43,060.11 = 17,055.80 : x
  2. Step 2: Convert to fraction form
    31,200.83/43,060.11 = 17,055.80/x
  3. Step 3: Cross multiply
    31,200.83x = 43,060.11 × 17,055.80
  4. Step 4: Simplify right side
    31,200.83x = 734,424,624.14
  5. Step 5: Solve for x
    x = 734,424,624.14/31,200.83
  6. Step 6: Final answer
    x = 23,538.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.