Home / 31,267.02-43,148.61-17,119.74

Finding the Fourth Proportional to 31,267.02, 43,148.61 and 17,119.74

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Solution

The fourth proportional to 31,267.02, 43,148.61 and 17,119.74 is: 23,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.02 : 43,148.61 = 17,119.74 : x
  2. Step 2: Convert to fraction form
    31,267.02/43,148.61 = 17,119.74/x
  3. Step 3: Cross multiply
    31,267.02x = 43,148.61 × 17,119.74
  4. Step 4: Simplify right side
    31,267.02x = 738,692,984.56
  5. Step 5: Solve for x
    x = 738,692,984.56/31,267.02
  6. Step 6: Final answer
    x = 23,625.31

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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.