Home / 38,678.36-53,366.18-22,759.83

Finding the Fourth Proportional to 38,678.36, 53,366.18 and 22,759.83

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Solution

The fourth proportional to 38,678.36, 53,366.18 and 22,759.83 is: 31,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678.36 : 53,366.18 = 22,759.83 : x
  2. Step 2: Convert to fraction form
    38,678.36/53,366.18 = 22,759.83/x
  3. Step 3: Cross multiply
    38,678.36x = 53,366.18 × 22,759.83
  4. Step 4: Simplify right side
    38,678.36x = 1,214,605,070.75
  5. Step 5: Solve for x
    x = 1,214,605,070.75/38,678.36
  6. Step 6: Final answer
    x = 31,402.71

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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.