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Finding the Fourth Proportional to 57,755.82, 79,673.18 and 36,547.39

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Solution

The fourth proportional to 57,755.82, 79,673.18 and 36,547.39 is: 50,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,755.82 : 79,673.18 = 36,547.39 : x
  2. Step 2: Convert to fraction form
    57,755.82/79,673.18 = 36,547.39/x
  3. Step 3: Cross multiply
    57,755.82x = 79,673.18 × 36,547.39
  4. Step 4: Simplify right side
    57,755.82x = 2,911,846,468.61
  5. Step 5: Solve for x
    x = 2,911,846,468.61/57,755.82
  6. Step 6: Final answer
    x = 50,416.50

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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.