Home / 39,123.12-53,981.46-23,212.83

Finding the Fourth Proportional to 39,123.12, 53,981.46 and 23,212.83

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Solution

The fourth proportional to 39,123.12, 53,981.46 and 23,212.83 is: 32,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,123.12 : 53,981.46 = 23,212.83 : x
  2. Step 2: Convert to fraction form
    39,123.12/53,981.46 = 23,212.83/x
  3. Step 3: Cross multiply
    39,123.12x = 53,981.46 × 23,212.83
  4. Step 4: Simplify right side
    39,123.12x = 1,253,062,454.13
  5. Step 5: Solve for x
    x = 1,253,062,454.13/39,123.12
  6. Step 6: Final answer
    x = 32,028.69

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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.