Home / 35,999.20-49,677.78-20,086.34

Finding the Fourth Proportional to 35,999.20, 49,677.78 and 20,086.34

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Solution

The fourth proportional to 35,999.20, 49,677.78 and 20,086.34 is: 27,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.20 : 49,677.78 = 20,086.34 : x
  2. Step 2: Convert to fraction form
    35,999.20/49,677.78 = 20,086.34/x
  3. Step 3: Cross multiply
    35,999.20x = 49,677.78 × 20,086.34
  4. Step 4: Simplify right side
    35,999.20x = 997,844,779.53
  5. Step 5: Solve for x
    x = 997,844,779.53/35,999.20
  6. Step 6: Final answer
    x = 27,718.53

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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.