Home / 51,070.86-76,589.28-21,483.18

Finding the Fourth Proportional to 51,070.86, 76,589.28 and 21,483.18

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Solution

The fourth proportional to 51,070.86, 76,589.28 and 21,483.18 is: 32,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.86 : 76,589.28 = 21,483.18 : x
  2. Step 2: Convert to fraction form
    51,070.86/76,589.28 = 21,483.18/x
  3. Step 3: Cross multiply
    51,070.86x = 76,589.28 × 21,483.18
  4. Step 4: Simplify right side
    51,070.86x = 1,645,381,288.31
  5. Step 5: Solve for x
    x = 1,645,381,288.31/51,070.86
  6. Step 6: Final answer
    x = 32,217.61

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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.