Home / 31,609.80-47,417.40-10,833.30

Finding the Fourth Proportional to 31,609.80, 47,417.40 and 10,833.30

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Solution

The fourth proportional to 31,609.80, 47,417.40 and 10,833.30 is: 16,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.80 : 47,417.40 = 10,833.30 : x
  2. Step 2: Convert to fraction form
    31,609.80/47,417.40 = 10,833.30/x
  3. Step 3: Cross multiply
    31,609.80x = 47,417.40 × 10,833.30
  4. Step 4: Simplify right side
    31,609.80x = 513,686,919.42
  5. Step 5: Solve for x
    x = 513,686,919.42/31,609.80
  6. Step 6: Final answer
    x = 16,250.88

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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.