Home / 39,447.27-59,149.04-13,137.66

Finding the Fourth Proportional to 39,447.27, 59,149.04 and 13,137.66

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Solution

The fourth proportional to 39,447.27, 59,149.04 and 13,137.66 is: 19,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,447.27 : 59,149.04 = 13,137.66 : x
  2. Step 2: Convert to fraction form
    39,447.27/59,149.04 = 13,137.66/x
  3. Step 3: Cross multiply
    39,447.27x = 59,149.04 × 13,137.66
  4. Step 4: Simplify right side
    39,447.27x = 777,079,911.16
  5. Step 5: Solve for x
    x = 777,079,911.16/39,447.27
  6. Step 6: Final answer
    x = 19,699.21

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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.