Home / 56,833.78-78,431.22-31,340.22

Finding the Fourth Proportional to 56,833.78, 78,431.22 and 31,340.22

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Solution

The fourth proportional to 56,833.78, 78,431.22 and 31,340.22 is: 43,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,833.78 : 78,431.22 = 31,340.22 : x
  2. Step 2: Convert to fraction form
    56,833.78/78,431.22 = 31,340.22/x
  3. Step 3: Cross multiply
    56,833.78x = 78,431.22 × 31,340.22
  4. Step 4: Simplify right side
    56,833.78x = 2,458,051,689.67
  5. Step 5: Solve for x
    x = 2,458,051,689.67/56,833.78
  6. Step 6: Final answer
    x = 43,249.84

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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.