Home / 31,725.24-47,588.19-13,000.47

Finding the Fourth Proportional to 31,725.24, 47,588.19 and 13,000.47

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Solution

The fourth proportional to 31,725.24, 47,588.19 and 13,000.47 is: 19,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.24 : 47,588.19 = 13,000.47 : x
  2. Step 2: Convert to fraction form
    31,725.24/47,588.19 = 13,000.47/x
  3. Step 3: Cross multiply
    31,725.24x = 47,588.19 × 13,000.47
  4. Step 4: Simplify right side
    31,725.24x = 618,668,836.45
  5. Step 5: Solve for x
    x = 618,668,836.45/31,725.24
  6. Step 6: Final answer
    x = 19,500.84

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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.