Home / 31,357.18-43,273.02-17,210.80

Finding the Fourth Proportional to 31,357.18, 43,273.02 and 17,210.80

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Solution

The fourth proportional to 31,357.18, 43,273.02 and 17,210.80 is: 23,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.18 : 43,273.02 = 17,210.80 : x
  2. Step 2: Convert to fraction form
    31,357.18/43,273.02 = 17,210.80/x
  3. Step 3: Cross multiply
    31,357.18x = 43,273.02 × 17,210.80
  4. Step 4: Simplify right side
    31,357.18x = 744,763,292.62
  5. Step 5: Solve for x
    x = 744,763,292.62/31,357.18
  6. Step 6: Final answer
    x = 23,750.97

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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.