Home / 51,660.16-77,519.76-43,000

Finding the Fourth Proportional to 51,660.16, 77,519.76 and 43,000

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Solution

The fourth proportional to 51,660.16, 77,519.76 and 43,000 is: 64,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,660.16 : 77,519.76 = 43,000 : x
  2. Step 2: Convert to fraction form
    51,660.16/77,519.76 = 43,000/x
  3. Step 3: Cross multiply
    51,660.16x = 77,519.76 × 43,000
  4. Step 4: Simplify right side
    51,660.16x = 3,333,349,680
  5. Step 5: Solve for x
    x = 3,333,349,680/51,660.16
  6. Step 6: Final answer
    x = 64,524.57

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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.