Home / 51,772.20-77,658.37-15,748.97

Finding the Fourth Proportional to 51,772.20, 77,658.37 and 15,748.97

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Solution

The fourth proportional to 51,772.20, 77,658.37 and 15,748.97 is: 23,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.20 : 77,658.37 = 15,748.97 : x
  2. Step 2: Convert to fraction form
    51,772.20/77,658.37 = 15,748.97/x
  3. Step 3: Cross multiply
    51,772.20x = 77,658.37 × 15,748.97
  4. Step 4: Simplify right side
    51,772.20x = 1,223,038,951.09
  5. Step 5: Solve for x
    x = 1,223,038,951.09/51,772.20
  6. Step 6: Final answer
    x = 23,623.47

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1.5x scale

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.