Home / 35,271.36-48,672.96-20,162.88

Finding the Fourth Proportional to 35,271.36, 48,672.96 and 20,162.88

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Solution

The fourth proportional to 35,271.36, 48,672.96 and 20,162.88 is: 27,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,271.36 : 48,672.96 = 20,162.88 : x
  2. Step 2: Convert to fraction form
    35,271.36/48,672.96 = 20,162.88/x
  3. Step 3: Cross multiply
    35,271.36x = 48,672.96 × 20,162.88
  4. Step 4: Simplify right side
    35,271.36x = 981,387,051.72
  5. Step 5: Solve for x
    x = 981,387,051.72/35,271.36
  6. Step 6: Final answer
    x = 27,823.91

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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.