Home / 31,711.56-43,762.02-17,564.12

Finding the Fourth Proportional to 31,711.56, 43,762.02 and 17,564.12

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Solution

The fourth proportional to 31,711.56, 43,762.02 and 17,564.12 is: 24,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.56 : 43,762.02 = 17,564.12 : x
  2. Step 2: Convert to fraction form
    31,711.56/43,762.02 = 17,564.12/x
  3. Step 3: Cross multiply
    31,711.56x = 43,762.02 × 17,564.12
  4. Step 4: Simplify right side
    31,711.56x = 768,641,370.72
  5. Step 5: Solve for x
    x = 768,641,370.72/31,711.56
  6. Step 6: Final answer
    x = 24,238.52

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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.