Home / 56,660.79-78,208.38-37,797.87

Finding the Fourth Proportional to 56,660.79, 78,208.38 and 37,797.87

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Solution

The fourth proportional to 56,660.79, 78,208.38 and 37,797.87 is: 52,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,660.79 : 78,208.38 = 37,797.87 : x
  2. Step 2: Convert to fraction form
    56,660.79/78,208.38 = 37,797.87/x
  3. Step 3: Cross multiply
    56,660.79x = 78,208.38 × 37,797.87
  4. Step 4: Simplify right side
    56,660.79x = 2,956,110,180.15
  5. Step 5: Solve for x
    x = 2,956,110,180.15/56,660.79
  6. Step 6: Final answer
    x = 52,172.06

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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.