Home / 35,722.72-49,296.95-20,615.20

Finding the Fourth Proportional to 35,722.72, 49,296.95 and 20,615.20

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Solution

The fourth proportional to 35,722.72, 49,296.95 and 20,615.20 is: 28,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,722.72 : 49,296.95 = 20,615.20 : x
  2. Step 2: Convert to fraction form
    35,722.72/49,296.95 = 20,615.20/x
  3. Step 3: Cross multiply
    35,722.72x = 49,296.95 × 20,615.20
  4. Step 4: Simplify right side
    35,722.72x = 1,016,266,134.08
  5. Step 5: Solve for x
    x = 1,016,266,134.08/35,722.72
  6. Step 6: Final answer
    x = 28,448.74

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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.