Home / 31,503.48-43,481.08-18,083.80

Finding the Fourth Proportional to 31,503.48, 43,481.08 and 18,083.80

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Solution

The fourth proportional to 31,503.48, 43,481.08 and 18,083.80 is: 24,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.48 : 43,481.08 = 18,083.80 : x
  2. Step 2: Convert to fraction form
    31,503.48/43,481.08 = 18,083.80/x
  3. Step 3: Cross multiply
    31,503.48x = 43,481.08 × 18,083.80
  4. Step 4: Simplify right side
    31,503.48x = 786,303,154.50
  5. Step 5: Solve for x
    x = 786,303,154.50/31,503.48
  6. Step 6: Final answer
    x = 24,959.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.