Home / 51,984.68-77,976.29-12,541.46

Finding the Fourth Proportional to 51,984.68, 77,976.29 and 12,541.46

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Solution

The fourth proportional to 51,984.68, 77,976.29 and 12,541.46 is: 18,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.68 : 77,976.29 = 12,541.46 : x
  2. Step 2: Convert to fraction form
    51,984.68/77,976.29 = 12,541.46/x
  3. Step 3: Cross multiply
    51,984.68x = 77,976.29 × 12,541.46
  4. Step 4: Simplify right side
    51,984.68x = 977,936,132.10
  5. Step 5: Solve for x
    x = 977,936,132.10/51,984.68
  6. Step 6: Final answer
    x = 18,812.01

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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.