Home / 53,166.72-79,680.96-23,540.16

Finding the Fourth Proportional to 53,166.72, 79,680.96 and 23,540.16

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Solution

The fourth proportional to 53,166.72, 79,680.96 and 23,540.16 is: 35,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,166.72 : 79,680.96 = 23,540.16 : x
  2. Step 2: Convert to fraction form
    53,166.72/79,680.96 = 23,540.16/x
  3. Step 3: Cross multiply
    53,166.72x = 79,680.96 × 23,540.16
  4. Step 4: Simplify right side
    53,166.72x = 1,875,702,547.35
  5. Step 5: Solve for x
    x = 1,875,702,547.35/53,166.72
  6. Step 6: Final answer
    x = 35,279.64

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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.