Home / 31,421.24-47,093.50-14,759.02

Finding the Fourth Proportional to 31,421.24, 47,093.50 and 14,759.02

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Solution

The fourth proportional to 31,421.24, 47,093.50 and 14,759.02 is: 22,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.24 : 47,093.50 = 14,759.02 : x
  2. Step 2: Convert to fraction form
    31,421.24/47,093.50 = 14,759.02/x
  3. Step 3: Cross multiply
    31,421.24x = 47,093.50 × 14,759.02
  4. Step 4: Simplify right side
    31,421.24x = 695,053,908.37
  5. Step 5: Solve for x
    x = 695,053,908.37/31,421.24
  6. Step 6: Final answer
    x = 22,120.51

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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.