Home / 31,075.20-46,614.38-8,891.87

Finding the Fourth Proportional to 31,075.20, 46,614.38 and 8,891.87

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Solution

The fourth proportional to 31,075.20, 46,614.38 and 8,891.87 is: 13,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.20 : 46,614.38 = 8,891.87 : x
  2. Step 2: Convert to fraction form
    31,075.20/46,614.38 = 8,891.87/x
  3. Step 3: Cross multiply
    31,075.20x = 46,614.38 × 8,891.87
  4. Step 4: Simplify right side
    31,075.20x = 414,488,729.56
  5. Step 5: Solve for x
    x = 414,488,729.56/31,075.20
  6. Step 6: Final answer
    x = 13,338.25

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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.