Home / 53,290.32-79,951.38-15,851.64

Finding the Fourth Proportional to 53,290.32, 79,951.38 and 15,851.64

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Solution

The fourth proportional to 53,290.32, 79,951.38 and 15,851.64 is: 23,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.32 : 79,951.38 = 15,851.64 : x
  2. Step 2: Convert to fraction form
    53,290.32/79,951.38 = 15,851.64/x
  3. Step 3: Cross multiply
    53,290.32x = 79,951.38 × 15,851.64
  4. Step 4: Simplify right side
    53,290.32x = 1,267,360,493.26
  5. Step 5: Solve for x
    x = 1,267,360,493.26/53,290.32
  6. Step 6: Final answer
    x = 23,782.19

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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.