Home / 38,852.67-53,616.60-21,856.92

Finding the Fourth Proportional to 38,852.67, 53,616.60 and 21,856.92

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Solution

The fourth proportional to 38,852.67, 53,616.60 and 21,856.92 is: 30,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852.67 : 53,616.60 = 21,856.92 : x
  2. Step 2: Convert to fraction form
    38,852.67/53,616.60 = 21,856.92/x
  3. Step 3: Cross multiply
    38,852.67x = 53,616.60 × 21,856.92
  4. Step 4: Simplify right side
    38,852.67x = 1,171,893,837.40
  5. Step 5: Solve for x
    x = 1,171,893,837.40/38,852.67
  6. Step 6: Final answer
    x = 30,162.50

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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.