Home / 53,210.82-79,815.69-15,771.18

Finding the Fourth Proportional to 53,210.82, 79,815.69 and 15,771.18

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Solution

The fourth proportional to 53,210.82, 79,815.69 and 15,771.18 is: 23,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.82 : 79,815.69 = 15,771.18 : x
  2. Step 2: Convert to fraction form
    53,210.82/79,815.69 = 15,771.18/x
  3. Step 3: Cross multiply
    53,210.82x = 79,815.69 × 15,771.18
  4. Step 4: Simplify right side
    53,210.82x = 1,258,787,613.81
  5. Step 5: Solve for x
    x = 1,258,787,613.81/53,210.82
  6. Step 6: Final answer
    x = 23,656.61

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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.