Home / 56,792.39-78,374.03-31,299.69

Finding the Fourth Proportional to 56,792.39, 78,374.03 and 31,299.69

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Solution

The fourth proportional to 56,792.39, 78,374.03 and 31,299.69 is: 43,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,792.39 : 78,374.03 = 31,299.69 : x
  2. Step 2: Convert to fraction form
    56,792.39/78,374.03 = 31,299.69/x
  3. Step 3: Cross multiply
    56,792.39x = 78,374.03 × 31,299.69
  4. Step 4: Simplify right side
    56,792.39x = 2,453,082,686.55
  5. Step 5: Solve for x
    x = 2,453,082,686.55/56,792.39
  6. Step 6: Final answer
    x = 43,193.87

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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.