Home / 51,153.66-76,730.31-23,040.78

Finding the Fourth Proportional to 51,153.66, 76,730.31 and 23,040.78

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Solution

The fourth proportional to 51,153.66, 76,730.31 and 23,040.78 is: 34,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.66 : 76,730.31 = 23,040.78 : x
  2. Step 2: Convert to fraction form
    51,153.66/76,730.31 = 23,040.78/x
  3. Step 3: Cross multiply
    51,153.66x = 76,730.31 × 23,040.78
  4. Step 4: Simplify right side
    51,153.66x = 1,767,926,192.04
  5. Step 5: Solve for x
    x = 1,767,926,192.04/51,153.66
  6. Step 6: Final answer
    x = 34,561.09

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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.