Home / 66,946.20-92,386.68-36,730.95

Finding the Fourth Proportional to 66,946.20, 92,386.68 and 36,730.95

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Solution

The fourth proportional to 66,946.20, 92,386.68 and 36,730.95 is: 50,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,946.20 : 92,386.68 = 36,730.95 : x
  2. Step 2: Convert to fraction form
    66,946.20/92,386.68 = 36,730.95/x
  3. Step 3: Cross multiply
    66,946.20x = 92,386.68 × 36,730.95
  4. Step 4: Simplify right side
    66,946.20x = 3,393,450,523.75
  5. Step 5: Solve for x
    x = 3,393,450,523.75/66,946.20
  6. Step 6: Final answer
    x = 50,689.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.