Home / 39,633.78-59,459.82-13,337.88

Finding the Fourth Proportional to 39,633.78, 59,459.82 and 13,337.88

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Solution

The fourth proportional to 39,633.78, 59,459.82 and 13,337.88 is: 20,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,633.78 : 59,459.82 = 13,337.88 : x
  2. Step 2: Convert to fraction form
    39,633.78/59,459.82 = 13,337.88/x
  3. Step 3: Cross multiply
    39,633.78x = 59,459.82 × 13,337.88
  4. Step 4: Simplify right side
    39,633.78x = 793,067,943.98
  5. Step 5: Solve for x
    x = 793,067,943.98/39,633.78
  6. Step 6: Final answer
    x = 20,009.90

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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.