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Finding the Fourth Proportional to 56,773.56, 78,329.88 and 32,240.28

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Solution

The fourth proportional to 56,773.56, 78,329.88 and 32,240.28 is: 44,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,773.56 : 78,329.88 = 32,240.28 : x
  2. Step 2: Convert to fraction form
    56,773.56/78,329.88 = 32,240.28/x
  3. Step 3: Cross multiply
    56,773.56x = 78,329.88 × 32,240.28
  4. Step 4: Simplify right side
    56,773.56x = 2,525,377,263.57
  5. Step 5: Solve for x
    x = 2,525,377,263.57/56,773.56
  6. Step 6: Final answer
    x = 44,481.57

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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.