Home / 57,972.56-79,914.12-47,777.36

Finding the Fourth Proportional to 57,972.56, 79,914.12 and 47,777.36

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Solution

The fourth proportional to 57,972.56, 79,914.12 and 47,777.36 is: 65,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.56 : 79,914.12 = 47,777.36 : x
  2. Step 2: Convert to fraction form
    57,972.56/79,914.12 = 47,777.36/x
  3. Step 3: Cross multiply
    57,972.56x = 79,914.12 × 47,777.36
  4. Step 4: Simplify right side
    57,972.56x = 3,818,085,680.32
  5. Step 5: Solve for x
    x = 3,818,085,680.32/57,972.56
  6. Step 6: Final answer
    x = 65,860.22

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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.