Home / 56,523.25-78,005.73-31,372.75

Finding the Fourth Proportional to 56,523.25, 78,005.73 and 31,372.75

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Solution

The fourth proportional to 56,523.25, 78,005.73 and 31,372.75 is: 43,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,523.25 : 78,005.73 = 31,372.75 : x
  2. Step 2: Convert to fraction form
    56,523.25/78,005.73 = 31,372.75/x
  3. Step 3: Cross multiply
    56,523.25x = 78,005.73 × 31,372.75
  4. Step 4: Simplify right side
    56,523.25x = 2,447,254,265.86
  5. Step 5: Solve for x
    x = 2,447,254,265.86/56,523.25
  6. Step 6: Final answer
    x = 43,296.42

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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.