Home / 39,808.96-59,659.64-15,171.52

Finding the Fourth Proportional to 39,808.96, 59,659.64 and 15,171.52

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Solution

The fourth proportional to 39,808.96, 59,659.64 and 15,171.52 is: 22,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808.96 : 59,659.64 = 15,171.52 : x
  2. Step 2: Convert to fraction form
    39,808.96/59,659.64 = 15,171.52/x
  3. Step 3: Cross multiply
    39,808.96x = 59,659.64 × 15,171.52
  4. Step 4: Simplify right side
    39,808.96x = 905,127,421.45
  5. Step 5: Solve for x
    x = 905,127,421.45/39,808.96
  6. Step 6: Final answer
    x = 22,736.78

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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.