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Finding the Fourth Proportional to 57,484, 79,332.48 and 32,335.36

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Solution

The fourth proportional to 57,484, 79,332.48 and 32,335.36 is: 44,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,484 : 79,332.48 = 32,335.36 : x
  2. Step 2: Convert to fraction form
    57,484/79,332.48 = 32,335.36/x
  3. Step 3: Cross multiply
    57,484x = 79,332.48 × 32,335.36
  4. Step 4: Simplify right side
    57,484x = 2,565,244,300.49
  5. Step 5: Solve for x
    x = 2,565,244,300.49/57,484
  6. Step 6: Final answer
    x = 44,625.36

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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.