Home / 57,029.08-78,703.12-34,375.26

Finding the Fourth Proportional to 57,029.08, 78,703.12 and 34,375.26

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Solution

The fourth proportional to 57,029.08, 78,703.12 and 34,375.26 is: 47,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029.08 : 78,703.12 = 34,375.26 : x
  2. Step 2: Convert to fraction form
    57,029.08/78,703.12 = 34,375.26/x
  3. Step 3: Cross multiply
    57,029.08x = 78,703.12 × 34,375.26
  4. Step 4: Simplify right side
    57,029.08x = 2,705,440,212.81
  5. Step 5: Solve for x
    x = 2,705,440,212.81/57,029.08
  6. Step 6: Final answer
    x = 47,439.66

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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.