Home / 57,719.37-86,546.65-20,269.02

Finding the Fourth Proportional to 57,719.37, 86,546.65 and 20,269.02

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Solution

The fourth proportional to 57,719.37, 86,546.65 and 20,269.02 is: 30,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.37 : 86,546.65 = 20,269.02 : x
  2. Step 2: Convert to fraction form
    57,719.37/86,546.65 = 20,269.02/x
  3. Step 3: Cross multiply
    57,719.37x = 86,546.65 × 20,269.02
  4. Step 4: Simplify right side
    57,719.37x = 1,754,215,779.78
  5. Step 5: Solve for x
    x = 1,754,215,779.78/57,719.37
  6. Step 6: Final answer
    x = 30,392.15

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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.