Home / 67,389.32-93,033.68-40,537.82

Finding the Fourth Proportional to 67,389.32, 93,033.68 and 40,537.82

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Solution

The fourth proportional to 67,389.32, 93,033.68 and 40,537.82 is: 55,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.32 : 93,033.68 = 40,537.82 : x
  2. Step 2: Convert to fraction form
    67,389.32/93,033.68 = 40,537.82/x
  3. Step 3: Cross multiply
    67,389.32x = 93,033.68 × 40,537.82
  4. Step 4: Simplify right side
    67,389.32x = 3,771,381,905.92
  5. Step 5: Solve for x
    x = 3,771,381,905.92/67,389.32
  6. Step 6: Final answer
    x = 55,964.09

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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.