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Finding the Fourth Proportional to 37,643.37, 56,806.68 and 36,388.59

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Solution

The fourth proportional to 37,643.37, 56,806.68 and 36,388.59 is: 54,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.37 : 56,806.68 = 36,388.59 : x
  2. Step 2: Convert to fraction form
    37,643.37/56,806.68 = 36,388.59/x
  3. Step 3: Cross multiply
    37,643.37x = 56,806.68 × 36,388.59
  4. Step 4: Simplify right side
    37,643.37x = 2,067,114,805.84
  5. Step 5: Solve for x
    x = 2,067,114,805.84/37,643.37
  6. Step 6: Final answer
    x = 54,913.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.