Home / 45,075.52-67,617.13-11,795.56

Finding the Fourth Proportional to 45,075.52, 67,617.13 and 11,795.56

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Solution

The fourth proportional to 45,075.52, 67,617.13 and 11,795.56 is: 17,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,075.52 : 67,617.13 = 11,795.56 : x
  2. Step 2: Convert to fraction form
    45,075.52/67,617.13 = 11,795.56/x
  3. Step 3: Cross multiply
    45,075.52x = 67,617.13 × 11,795.56
  4. Step 4: Simplify right side
    45,075.52x = 797,581,913.94
  5. Step 5: Solve for x
    x = 797,581,913.94/45,075.52
  6. Step 6: Final answer
    x = 17,694.35

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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.