Home / 34,518.18-51,788.15-12,331.07

Finding the Fourth Proportional to 34,518.18, 51,788.15 and 12,331.07

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Solution

The fourth proportional to 34,518.18, 51,788.15 and 12,331.07 is: 18,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,518.18 : 51,788.15 = 12,331.07 : x
  2. Step 2: Convert to fraction form
    34,518.18/51,788.15 = 12,331.07/x
  3. Step 3: Cross multiply
    34,518.18x = 51,788.15 × 12,331.07
  4. Step 4: Simplify right side
    34,518.18x = 638,602,982.22
  5. Step 5: Solve for x
    x = 638,602,982.22/34,518.18
  6. Step 6: Final answer
    x = 18,500.48

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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.