Home / 39,434.99-59,161.90-13,139.96

Finding the Fourth Proportional to 39,434.99, 59,161.90 and 13,139.96

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Solution

The fourth proportional to 39,434.99, 59,161.90 and 13,139.96 is: 19,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.99 : 59,161.90 = 13,139.96 : x
  2. Step 2: Convert to fraction form
    39,434.99/59,161.90 = 13,139.96/x
  3. Step 3: Cross multiply
    39,434.99x = 59,161.90 × 13,139.96
  4. Step 4: Simplify right side
    39,434.99x = 777,384,818.77
  5. Step 5: Solve for x
    x = 777,384,818.77/39,434.99
  6. Step 6: Final answer
    x = 19,713.07

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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.