Home / 39,120.83-58,691.08-18,075.77

Finding the Fourth Proportional to 39,120.83, 58,691.08 and 18,075.77

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Solution

The fourth proportional to 39,120.83, 58,691.08 and 18,075.77 is: 27,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.83 : 58,691.08 = 18,075.77 : x
  2. Step 2: Convert to fraction form
    39,120.83/58,691.08 = 18,075.77/x
  3. Step 3: Cross multiply
    39,120.83x = 58,691.08 × 18,075.77
  4. Step 4: Simplify right side
    39,120.83x = 1,060,886,169.68
  5. Step 5: Solve for x
    x = 1,060,886,169.68/39,120.83
  6. Step 6: Final answer
    x = 27,118.19

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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.