Home / 57,479.23-79,328.24-34,817.56

Finding the Fourth Proportional to 57,479.23, 79,328.24 and 34,817.56

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Solution

The fourth proportional to 57,479.23, 79,328.24 and 34,817.56 is: 48,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,479.23 : 79,328.24 = 34,817.56 : x
  2. Step 2: Convert to fraction form
    57,479.23/79,328.24 = 34,817.56/x
  3. Step 3: Cross multiply
    57,479.23x = 79,328.24 × 34,817.56
  4. Step 4: Simplify right side
    57,479.23x = 2,762,015,709.90
  5. Step 5: Solve for x
    x = 2,762,015,709.90/57,479.23
  6. Step 6: Final answer
    x = 48,052.41

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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.