Home / 39,093.83-53,948.83-21,188.68

Finding the Fourth Proportional to 39,093.83, 53,948.83 and 21,188.68

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Solution

The fourth proportional to 39,093.83, 53,948.83 and 21,188.68 is: 29,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,093.83 : 53,948.83 = 21,188.68 : x
  2. Step 2: Convert to fraction form
    39,093.83/53,948.83 = 21,188.68/x
  3. Step 3: Cross multiply
    39,093.83x = 53,948.83 × 21,188.68
  4. Step 4: Simplify right side
    39,093.83x = 1,143,104,495.24
  5. Step 5: Solve for x
    x = 1,143,104,495.24/39,093.83
  6. Step 6: Final answer
    x = 29,240.02

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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.