Home / 35,535.80-49,039.18-19,620.11

Finding the Fourth Proportional to 35,535.80, 49,039.18 and 19,620.11

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Solution

The fourth proportional to 35,535.80, 49,039.18 and 19,620.11 is: 27,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.80 : 49,039.18 = 19,620.11 : x
  2. Step 2: Convert to fraction form
    35,535.80/49,039.18 = 19,620.11/x
  3. Step 3: Cross multiply
    35,535.80x = 49,039.18 × 19,620.11
  4. Step 4: Simplify right side
    35,535.80x = 962,154,105.91
  5. Step 5: Solve for x
    x = 962,154,105.91/35,535.80
  6. Step 6: Final answer
    x = 27,075.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.