Home / 56,878.56-78,494.08-31,727.52

Finding the Fourth Proportional to 56,878.56, 78,494.08 and 31,727.52

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Solution

The fourth proportional to 56,878.56, 78,494.08 and 31,727.52 is: 43,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,878.56 : 78,494.08 = 31,727.52 : x
  2. Step 2: Convert to fraction form
    56,878.56/78,494.08 = 31,727.52/x
  3. Step 3: Cross multiply
    56,878.56x = 78,494.08 × 31,727.52
  4. Step 4: Simplify right side
    56,878.56x = 2,490,422,493.08
  5. Step 5: Solve for x
    x = 2,490,422,493.08/56,878.56
  6. Step 6: Final answer
    x = 43,784.91

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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.