Home / 56,939.32-78,575.97-31,788.82

Finding the Fourth Proportional to 56,939.32, 78,575.97 and 31,788.82

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Solution

The fourth proportional to 56,939.32, 78,575.97 and 31,788.82 is: 43,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,939.32 : 78,575.97 = 31,788.82 : x
  2. Step 2: Convert to fraction form
    56,939.32/78,575.97 = 31,788.82/x
  3. Step 3: Cross multiply
    56,939.32x = 78,575.97 × 31,788.82
  4. Step 4: Simplify right side
    56,939.32x = 2,497,837,366.66
  5. Step 5: Solve for x
    x = 2,497,837,366.66/56,939.32
  6. Step 6: Final answer
    x = 43,868.41

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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.