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Finding the Fourth Proportional to 56,232.60, 77,620.52 and 36,144.60

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Solution

The fourth proportional to 56,232.60, 77,620.52 and 36,144.60 is: 49,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,232.60 : 77,620.52 = 36,144.60 : x
  2. Step 2: Convert to fraction form
    56,232.60/77,620.52 = 36,144.60/x
  3. Step 3: Cross multiply
    56,232.60x = 77,620.52 × 36,144.60
  4. Step 4: Simplify right side
    56,232.60x = 2,805,562,647.19
  5. Step 5: Solve for x
    x = 2,805,562,647.19/56,232.60
  6. Step 6: Final answer
    x = 49,892.10

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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.