Home / 53,162.70-79,746.92-21,568.02

Finding the Fourth Proportional to 53,162.70, 79,746.92 and 21,568.02

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Solution

The fourth proportional to 53,162.70, 79,746.92 and 21,568.02 is: 32,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.70 : 79,746.92 = 21,568.02 : x
  2. Step 2: Convert to fraction form
    53,162.70/79,746.92 = 21,568.02/x
  3. Step 3: Cross multiply
    53,162.70x = 79,746.92 × 21,568.02
  4. Step 4: Simplify right side
    53,162.70x = 1,719,983,165.50
  5. Step 5: Solve for x
    x = 1,719,983,165.50/53,162.70
  6. Step 6: Final answer
    x = 32,353.19

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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.