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Finding the Fourth Proportional to 57,398.64, 79,248.36 and 35,921.04

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Solution

The fourth proportional to 57,398.64, 79,248.36 and 35,921.04 is: 49,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.64 : 79,248.36 = 35,921.04 : x
  2. Step 2: Convert to fraction form
    57,398.64/79,248.36 = 35,921.04/x
  3. Step 3: Cross multiply
    57,398.64x = 79,248.36 × 35,921.04
  4. Step 4: Simplify right side
    57,398.64x = 2,846,683,509.49
  5. Step 5: Solve for x
    x = 2,846,683,509.49/57,398.64
  6. Step 6: Final answer
    x = 49,594.96

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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.