Home / 82,357.40-123,536.10-20,027.36

Finding the Fourth Proportional to 82,357.40, 123,536.10 and 20,027.36

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Solution

The fourth proportional to 82,357.40, 123,536.10 and 20,027.36 is: 30,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,357.40 : 123,536.10 = 20,027.36 : x
  2. Step 2: Convert to fraction form
    82,357.40/123,536.10 = 20,027.36/x
  3. Step 3: Cross multiply
    82,357.40x = 123,536.10 × 20,027.36
  4. Step 4: Simplify right side
    82,357.40x = 2,474,101,330.02
  5. Step 5: Solve for x
    x = 2,474,101,330.02/82,357.40
  6. Step 6: Final answer
    x = 30,041.03

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1.5x scale

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.