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Finding the Fourth Proportional to 57,266.88, 79,032.24 and 32,118

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Solution

The fourth proportional to 57,266.88, 79,032.24 and 32,118 is: 44,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.88 : 79,032.24 = 32,118 : x
  2. Step 2: Convert to fraction form
    57,266.88/79,032.24 = 32,118/x
  3. Step 3: Cross multiply
    57,266.88x = 79,032.24 × 32,118
  4. Step 4: Simplify right side
    57,266.88x = 2,538,357,484.32
  5. Step 5: Solve for x
    x = 2,538,357,484.32/57,266.88
  6. Step 6: Final answer
    x = 44,325.05

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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.