Home / 51,925.75-77,855.36-21,931.85

Finding the Fourth Proportional to 51,925.75, 77,855.36 and 21,931.85

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Solution

The fourth proportional to 51,925.75, 77,855.36 and 21,931.85 is: 32,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,925.75 : 77,855.36 = 21,931.85 : x
  2. Step 2: Convert to fraction form
    51,925.75/77,855.36 = 21,931.85/x
  3. Step 3: Cross multiply
    51,925.75x = 77,855.36 × 21,931.85
  4. Step 4: Simplify right side
    51,925.75x = 1,707,512,162.20
  5. Step 5: Solve for x
    x = 1,707,512,162.20/51,925.75
  6. Step 6: Final answer
    x = 32,883.73

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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.