Home / 39,139.22-58,712.40-11,059.68

Finding the Fourth Proportional to 39,139.22, 58,712.40 and 11,059.68

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Solution

The fourth proportional to 39,139.22, 58,712.40 and 11,059.68 is: 16,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.22 : 58,712.40 = 11,059.68 : x
  2. Step 2: Convert to fraction form
    39,139.22/58,712.40 = 11,059.68/x
  3. Step 3: Cross multiply
    39,139.22x = 58,712.40 × 11,059.68
  4. Step 4: Simplify right side
    39,139.22x = 649,340,356.03
  5. Step 5: Solve for x
    x = 649,340,356.03/39,139.22
  6. Step 6: Final answer
    x = 16,590.53

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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.