Home / 53,170.86-79,769.94-15,729.42

Finding the Fourth Proportional to 53,170.86, 79,769.94 and 15,729.42

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Solution

The fourth proportional to 53,170.86, 79,769.94 and 15,729.42 is: 23,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.86 : 79,769.94 = 15,729.42 : x
  2. Step 2: Convert to fraction form
    53,170.86/79,769.94 = 15,729.42/x
  3. Step 3: Cross multiply
    53,170.86x = 79,769.94 × 15,729.42
  4. Step 4: Simplify right side
    53,170.86x = 1,254,734,889.63
  5. Step 5: Solve for x
    x = 1,254,734,889.63/53,170.86
  6. Step 6: Final answer
    x = 23,598.17

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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.