Home / 39,025.00-53,854.50-21,120.01

Finding the Fourth Proportional to 39,025.00, 53,854.50 and 21,120.01

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Solution

The fourth proportional to 39,025.00, 53,854.50 and 21,120.01 is: 29,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,025.00 : 53,854.50 = 21,120.01 : x
  2. Step 2: Convert to fraction form
    39,025.00/53,854.50 = 21,120.01/x
  3. Step 3: Cross multiply
    39,025.00x = 53,854.50 × 21,120.01
  4. Step 4: Simplify right side
    39,025.00x = 1,137,407,555.77
  5. Step 5: Solve for x
    x = 1,137,407,555.77/39,025.00
  6. Step 6: Final answer
    x = 29,145.61

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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.