Home / 35,722.08-49,294.04-20,615.36

Finding the Fourth Proportional to 35,722.08, 49,294.04 and 20,615.36

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Solution

The fourth proportional to 35,722.08, 49,294.04 and 20,615.36 is: 28,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,722.08 : 49,294.04 = 20,615.36 : x
  2. Step 2: Convert to fraction form
    35,722.08/49,294.04 = 20,615.36/x
  3. Step 3: Cross multiply
    35,722.08x = 49,294.04 × 20,615.36
  4. Step 4: Simplify right side
    35,722.08x = 1,016,214,380.45
  5. Step 5: Solve for x
    x = 1,016,214,380.45/35,722.08
  6. Step 6: Final answer
    x = 28,447.79

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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.