Home / 38,847.93-53,609.60-21,852.17

Finding the Fourth Proportional to 38,847.93, 53,609.60 and 21,852.17

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Solution

The fourth proportional to 38,847.93, 53,609.60 and 21,852.17 is: 30,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847.93 : 53,609.60 = 21,852.17 : x
  2. Step 2: Convert to fraction form
    38,847.93/53,609.60 = 21,852.17/x
  3. Step 3: Cross multiply
    38,847.93x = 53,609.60 × 21,852.17
  4. Step 4: Simplify right side
    38,847.93x = 1,171,485,715.52
  5. Step 5: Solve for x
    x = 1,171,485,715.52/38,847.93
  6. Step 6: Final answer
    x = 30,155.68

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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.