Home / 53,213.10-79,856.10-29,520.60

Finding the Fourth Proportional to 53,213.10, 79,856.10 and 29,520.60

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Solution

The fourth proportional to 53,213.10, 79,856.10 and 29,520.60 is: 44,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.10 : 79,856.10 = 29,520.60 : x
  2. Step 2: Convert to fraction form
    53,213.10/79,856.10 = 29,520.60/x
  3. Step 3: Cross multiply
    53,213.10x = 79,856.10 × 29,520.60
  4. Step 4: Simplify right side
    53,213.10x = 2,357,399,985.66
  5. Step 5: Solve for x
    x = 2,357,399,985.66/53,213.10
  6. Step 6: Final answer
    x = 44,301.12

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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.