Home / 56,797.78-78,377.73-31,304.07

Finding the Fourth Proportional to 56,797.78, 78,377.73 and 31,304.07

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Solution

The fourth proportional to 56,797.78, 78,377.73 and 31,304.07 is: 43,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.78 : 78,377.73 = 31,304.07 : x
  2. Step 2: Convert to fraction form
    56,797.78/78,377.73 = 31,304.07/x
  3. Step 3: Cross multiply
    56,797.78x = 78,377.73 × 31,304.07
  4. Step 4: Simplify right side
    56,797.78x = 2,453,541,554.47
  5. Step 5: Solve for x
    x = 2,453,541,554.47/56,797.78
  6. Step 6: Final answer
    x = 43,197.85

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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.