Home / 51,133.50-76,746.78-26,190.72

Finding the Fourth Proportional to 51,133.50, 76,746.78 and 26,190.72

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Solution

The fourth proportional to 51,133.50, 76,746.78 and 26,190.72 is: 39,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,133.50 : 76,746.78 = 26,190.72 : x
  2. Step 2: Convert to fraction form
    51,133.50/76,746.78 = 26,190.72/x
  3. Step 3: Cross multiply
    51,133.50x = 76,746.78 × 26,190.72
  4. Step 4: Simplify right side
    51,133.50x = 2,010,053,425.88
  5. Step 5: Solve for x
    x = 2,010,053,425.88/51,133.50
  6. Step 6: Final answer
    x = 39,309.91

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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.