Home / 31,797.14-47,695.67-12,075.66

Finding the Fourth Proportional to 31,797.14, 47,695.67 and 12,075.66

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Solution

The fourth proportional to 31,797.14, 47,695.67 and 12,075.66 is: 18,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.14 : 47,695.67 = 12,075.66 : x
  2. Step 2: Convert to fraction form
    31,797.14/47,695.67 = 12,075.66/x
  3. Step 3: Cross multiply
    31,797.14x = 47,695.67 × 12,075.66
  4. Step 4: Simplify right side
    31,797.14x = 575,956,694.39
  5. Step 5: Solve for x
    x = 575,956,694.39/31,797.14
  6. Step 6: Final answer
    x = 18,113.47

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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.