Home / 35,981.80-53,999.70-18,442.60

Finding the Fourth Proportional to 35,981.80, 53,999.70 and 18,442.60

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Solution

The fourth proportional to 35,981.80, 53,999.70 and 18,442.60 is: 27,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.80 : 53,999.70 = 18,442.60 : x
  2. Step 2: Convert to fraction form
    35,981.80/53,999.70 = 18,442.60/x
  3. Step 3: Cross multiply
    35,981.80x = 53,999.70 × 18,442.60
  4. Step 4: Simplify right side
    35,981.80x = 995,894,867.22
  5. Step 5: Solve for x
    x = 995,894,867.22/35,981.80
  6. Step 6: Final answer
    x = 27,677.74

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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.