Home / 56,515.87-78,002.66-37,396.02

Finding the Fourth Proportional to 56,515.87, 78,002.66 and 37,396.02

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Solution

The fourth proportional to 56,515.87, 78,002.66 and 37,396.02 is: 51,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,515.87 : 78,002.66 = 37,396.02 : x
  2. Step 2: Convert to fraction form
    56,515.87/78,002.66 = 37,396.02/x
  3. Step 3: Cross multiply
    56,515.87x = 78,002.66 × 37,396.02
  4. Step 4: Simplify right side
    56,515.87x = 2,916,988,846.43
  5. Step 5: Solve for x
    x = 2,916,988,846.43/56,515.87
  6. Step 6: Final answer
    x = 51,613.63

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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.