Home / 31,399.24-47,075.82-14,750.68

Finding the Fourth Proportional to 31,399.24, 47,075.82 and 14,750.68

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Solution

The fourth proportional to 31,399.24, 47,075.82 and 14,750.68 is: 22,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.24 : 47,075.82 = 14,750.68 : x
  2. Step 2: Convert to fraction form
    31,399.24/47,075.82 = 14,750.68/x
  3. Step 3: Cross multiply
    31,399.24x = 47,075.82 × 14,750.68
  4. Step 4: Simplify right side
    31,399.24x = 694,400,356.56
  5. Step 5: Solve for x
    x = 694,400,356.56/31,399.24
  6. Step 6: Final answer
    x = 22,115.20

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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.