Home / 38,258.61-57,313.19-21,568.16

Finding the Fourth Proportional to 38,258.61, 57,313.19 and 21,568.16

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Solution

The fourth proportional to 38,258.61, 57,313.19 and 21,568.16 is: 32,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,258.61 : 57,313.19 = 21,568.16 : x
  2. Step 2: Convert to fraction form
    38,258.61/57,313.19 = 21,568.16/x
  3. Step 3: Cross multiply
    38,258.61x = 57,313.19 × 21,568.16
  4. Step 4: Simplify right side
    38,258.61x = 1,236,139,657.62
  5. Step 5: Solve for x
    x = 1,236,139,657.62/38,258.61
  6. Step 6: Final answer
    x = 32,310.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.