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Finding the Fourth Proportional to 57,388, 79,199.48 and 32,237.52

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Solution

The fourth proportional to 57,388, 79,199.48 and 32,237.52 is: 44,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388 : 79,199.48 = 32,237.52 : x
  2. Step 2: Convert to fraction form
    57,388/79,199.48 = 32,237.52/x
  3. Step 3: Cross multiply
    57,388x = 79,199.48 × 32,237.52
  4. Step 4: Simplify right side
    57,388x = 2,553,194,820.49
  5. Step 5: Solve for x
    x = 2,553,194,820.49/57,388
  6. Step 6: Final answer
    x = 44,490.05

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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.