Home / 39,106.60-53,998.18-36,121.36

Finding the Fourth Proportional to 39,106.60, 53,998.18 and 36,121.36

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Solution

The fourth proportional to 39,106.60, 53,998.18 and 36,121.36 is: 49,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.60 : 53,998.18 = 36,121.36 : x
  2. Step 2: Convert to fraction form
    39,106.60/53,998.18 = 36,121.36/x
  3. Step 3: Cross multiply
    39,106.60x = 53,998.18 × 36,121.36
  4. Step 4: Simplify right side
    39,106.60x = 1,950,487,699.12
  5. Step 5: Solve for x
    x = 1,950,487,699.12/39,106.60
  6. Step 6: Final answer
    x = 49,876.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.