Home / 36,075.13-54,123.66-19,205.30

Finding the Fourth Proportional to 36,075.13, 54,123.66 and 19,205.30

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Solution

The fourth proportional to 36,075.13, 54,123.66 and 19,205.30 is: 28,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.13 : 54,123.66 = 19,205.30 : x
  2. Step 2: Convert to fraction form
    36,075.13/54,123.66 = 19,205.30/x
  3. Step 3: Cross multiply
    36,075.13x = 54,123.66 × 19,205.30
  4. Step 4: Simplify right side
    36,075.13x = 1,039,461,262.71
  5. Step 5: Solve for x
    x = 1,039,461,262.71/36,075.13
  6. Step 6: Final answer
    x = 28,813.79

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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.