Home / 31,849.35-47,775.12-14,319.24

Finding the Fourth Proportional to 31,849.35, 47,775.12 and 14,319.24

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Solution

The fourth proportional to 31,849.35, 47,775.12 and 14,319.24 is: 21,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.35 : 47,775.12 = 14,319.24 : x
  2. Step 2: Convert to fraction form
    31,849.35/47,775.12 = 14,319.24/x
  3. Step 3: Cross multiply
    31,849.35x = 47,775.12 × 14,319.24
  4. Step 4: Simplify right side
    31,849.35x = 684,103,409.31
  5. Step 5: Solve for x
    x = 684,103,409.31/31,849.35
  6. Step 6: Final answer
    x = 21,479.35

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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.