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Finding the Fourth Proportional to 57,603.63, 79,491.86 and 32,108.47

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Solution

The fourth proportional to 57,603.63, 79,491.86 and 32,108.47 is: 44,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.63 : 79,491.86 = 32,108.47 : x
  2. Step 2: Convert to fraction form
    57,603.63/79,491.86 = 32,108.47/x
  3. Step 3: Cross multiply
    57,603.63x = 79,491.86 × 32,108.47
  4. Step 4: Simplify right side
    57,603.63x = 2,552,362,082.33
  5. Step 5: Solve for x
    x = 2,552,362,082.33/57,603.63
  6. Step 6: Final answer
    x = 44,309.05

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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.