Home / 39,305.20-58,911.36-38,866.72

Finding the Fourth Proportional to 39,305.20, 58,911.36 and 38,866.72

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Solution

The fourth proportional to 39,305.20, 58,911.36 and 38,866.72 is: 58,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.20 : 58,911.36 = 38,866.72 : x
  2. Step 2: Convert to fraction form
    39,305.20/58,911.36 = 38,866.72/x
  3. Step 3: Cross multiply
    39,305.20x = 58,911.36 × 38,866.72
  4. Step 4: Simplify right side
    39,305.20x = 2,289,691,333.94
  5. Step 5: Solve for x
    x = 2,289,691,333.94/39,305.20
  6. Step 6: Final answer
    x = 58,254.16

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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.