Home / 53,108.61-79,635.48-15,663.92

Finding the Fourth Proportional to 53,108.61, 79,635.48 and 15,663.92

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Solution

The fourth proportional to 53,108.61, 79,635.48 and 15,663.92 is: 23,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.61 : 79,635.48 = 15,663.92 : x
  2. Step 2: Convert to fraction form
    53,108.61/79,635.48 = 15,663.92/x
  3. Step 3: Cross multiply
    53,108.61x = 79,635.48 × 15,663.92
  4. Step 4: Simplify right side
    53,108.61x = 1,247,403,588.79
  5. Step 5: Solve for x
    x = 1,247,403,588.79/53,108.61
  6. Step 6: Final answer
    x = 23,487.78

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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.