Home / 60,842.13-91,268.01-21,408.09

Finding the Fourth Proportional to 60,842.13, 91,268.01 and 21,408.09

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Solution

The fourth proportional to 60,842.13, 91,268.01 and 21,408.09 is: 32,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,842.13 : 91,268.01 = 21,408.09 : x
  2. Step 2: Convert to fraction form
    60,842.13/91,268.01 = 21,408.09/x
  3. Step 3: Cross multiply
    60,842.13x = 91,268.01 × 21,408.09
  4. Step 4: Simplify right side
    60,842.13x = 1,953,873,772.20
  5. Step 5: Solve for x
    x = 1,953,873,772.20/60,842.13
  6. Step 6: Final answer
    x = 32,113.83

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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.