Home / 67,477.62-93,143.97-40,621.38

Finding the Fourth Proportional to 67,477.62, 93,143.97 and 40,621.38

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Solution

The fourth proportional to 67,477.62, 93,143.97 and 40,621.38 is: 56,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,477.62 : 93,143.97 = 40,621.38 : x
  2. Step 2: Convert to fraction form
    67,477.62/93,143.97 = 40,621.38/x
  3. Step 3: Cross multiply
    67,477.62x = 93,143.97 × 40,621.38
  4. Step 4: Simplify right side
    67,477.62x = 3,783,636,600.08
  5. Step 5: Solve for x
    x = 3,783,636,600.08/67,477.62
  6. Step 6: Final answer
    x = 56,072.47

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1.5x scale

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.