Home / 31,190.27-43,045.02-17,762.09

Finding the Fourth Proportional to 31,190.27, 43,045.02 and 17,762.09

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Solution

The fourth proportional to 31,190.27, 43,045.02 and 17,762.09 is: 24,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.27 : 43,045.02 = 17,762.09 : x
  2. Step 2: Convert to fraction form
    31,190.27/43,045.02 = 17,762.09/x
  3. Step 3: Cross multiply
    31,190.27x = 43,045.02 × 17,762.09
  4. Step 4: Simplify right side
    31,190.27x = 764,569,304.07
  5. Step 5: Solve for x
    x = 764,569,304.07/31,190.27
  6. Step 6: Final answer
    x = 24,513.07

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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.