Home / 56,915.60-85,358.52-16,923.81

Finding the Fourth Proportional to 56,915.60, 85,358.52 and 16,923.81

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Solution

The fourth proportional to 56,915.60, 85,358.52 and 16,923.81 is: 25,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,915.60 : 85,358.52 = 16,923.81 : x
  2. Step 2: Convert to fraction form
    56,915.60/85,358.52 = 16,923.81/x
  3. Step 3: Cross multiply
    56,915.60x = 85,358.52 × 16,923.81
  4. Step 4: Simplify right side
    56,915.60x = 1,444,591,694.46
  5. Step 5: Solve for x
    x = 1,444,591,694.46/56,915.60
  6. Step 6: Final answer
    x = 25,381.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.