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Finding the Fourth Proportional to 57,903.70, 79,908.54 and 32,409.85

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Solution

The fourth proportional to 57,903.70, 79,908.54 and 32,409.85 is: 44,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.70 : 79,908.54 = 32,409.85 : x
  2. Step 2: Convert to fraction form
    57,903.70/79,908.54 = 32,409.85/x
  3. Step 3: Cross multiply
    57,903.70x = 79,908.54 × 32,409.85
  4. Step 4: Simplify right side
    57,903.70x = 2,589,823,795.12
  5. Step 5: Solve for x
    x = 2,589,823,795.12/57,903.70
  6. Step 6: Final answer
    x = 44,726.40

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1.5x scale

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.