Home / 39,161.36-58,751.15-12,864.51

Finding the Fourth Proportional to 39,161.36, 58,751.15 and 12,864.51

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Solution

The fourth proportional to 39,161.36, 58,751.15 and 12,864.51 is: 19,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.36 : 58,751.15 = 12,864.51 : x
  2. Step 2: Convert to fraction form
    39,161.36/58,751.15 = 12,864.51/x
  3. Step 3: Cross multiply
    39,161.36x = 58,751.15 × 12,864.51
  4. Step 4: Simplify right side
    39,161.36x = 755,804,692.36
  5. Step 5: Solve for x
    x = 755,804,692.36/39,161.36
  6. Step 6: Final answer
    x = 19,299.76

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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.