Home / 34,811.48-52,200.08-12,621.54

Finding the Fourth Proportional to 34,811.48, 52,200.08 and 12,621.54

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Solution

The fourth proportional to 34,811.48, 52,200.08 and 12,621.54 is: 18,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,811.48 : 52,200.08 = 12,621.54 : x
  2. Step 2: Convert to fraction form
    34,811.48/52,200.08 = 12,621.54/x
  3. Step 3: Cross multiply
    34,811.48x = 52,200.08 × 12,621.54
  4. Step 4: Simplify right side
    34,811.48x = 658,845,397.72
  5. Step 5: Solve for x
    x = 658,845,397.72/34,811.48
  6. Step 6: Final answer
    x = 18,926.10

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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.