Home / 31,507.12-47,347.49-16,727.11

Finding the Fourth Proportional to 31,507.12, 47,347.49 and 16,727.11

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Solution

The fourth proportional to 31,507.12, 47,347.49 and 16,727.11 is: 25,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.12 : 47,347.49 = 16,727.11 : x
  2. Step 2: Convert to fraction form
    31,507.12/47,347.49 = 16,727.11/x
  3. Step 3: Cross multiply
    31,507.12x = 47,347.49 × 16,727.11
  4. Step 4: Simplify right side
    31,507.12x = 791,986,673.45
  5. Step 5: Solve for x
    x = 791,986,673.45/31,507.12
  6. Step 6: Final answer
    x = 25,136.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.