Home / 51,026.04-76,511.52-45,117

Finding the Fourth Proportional to 51,026.04, 76,511.52 and 45,117

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Solution

The fourth proportional to 51,026.04, 76,511.52 and 45,117 is: 67,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,026.04 : 76,511.52 = 45,117 : x
  2. Step 2: Convert to fraction form
    51,026.04/76,511.52 = 45,117/x
  3. Step 3: Cross multiply
    51,026.04x = 76,511.52 × 45,117
  4. Step 4: Simplify right side
    51,026.04x = 3,451,970,247.84
  5. Step 5: Solve for x
    x = 3,451,970,247.84/51,026.04
  6. Step 6: Final answer
    x = 67,651.15

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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.