Home / 56,987.54-78,673.85-34,332.04

Finding the Fourth Proportional to 56,987.54, 78,673.85 and 34,332.04

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Solution

The fourth proportional to 56,987.54, 78,673.85 and 34,332.04 is: 47,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,987.54 : 78,673.85 = 34,332.04 : x
  2. Step 2: Convert to fraction form
    56,987.54/78,673.85 = 34,332.04/x
  3. Step 3: Cross multiply
    56,987.54x = 78,673.85 × 34,332.04
  4. Step 4: Simplify right side
    56,987.54x = 2,701,033,765.15
  5. Step 5: Solve for x
    x = 2,701,033,765.15/56,987.54
  6. Step 6: Final answer
    x = 47,396.92

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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.