Home / 37,939.88-56,920.80-15,749.12

Finding the Fourth Proportional to 37,939.88, 56,920.80 and 15,749.12

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Solution

The fourth proportional to 37,939.88, 56,920.80 and 15,749.12 is: 23,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,939.88 : 56,920.80 = 15,749.12 : x
  2. Step 2: Convert to fraction form
    37,939.88/56,920.80 = 15,749.12/x
  3. Step 3: Cross multiply
    37,939.88x = 56,920.80 × 15,749.12
  4. Step 4: Simplify right side
    37,939.88x = 896,452,509.70
  5. Step 5: Solve for x
    x = 896,452,509.70/37,939.88
  6. Step 6: Final answer
    x = 23,628.24

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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.