Home / 57,060.45-78,770.91-37,972.05

Finding the Fourth Proportional to 57,060.45, 78,770.91 and 37,972.05

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Solution

The fourth proportional to 57,060.45, 78,770.91 and 37,972.05 is: 52,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060.45 : 78,770.91 = 37,972.05 : x
  2. Step 2: Convert to fraction form
    57,060.45/78,770.91 = 37,972.05/x
  3. Step 3: Cross multiply
    57,060.45x = 78,770.91 × 37,972.05
  4. Step 4: Simplify right side
    57,060.45x = 2,991,092,933.07
  5. Step 5: Solve for x
    x = 2,991,092,933.07/57,060.45
  6. Step 6: Final answer
    x = 52,419.72

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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.