Home / 51,665.43-77,528.04-21,676.98

Finding the Fourth Proportional to 51,665.43, 77,528.04 and 21,676.98

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Solution

The fourth proportional to 51,665.43, 77,528.04 and 21,676.98 is: 32,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665.43 : 77,528.04 = 21,676.98 : x
  2. Step 2: Convert to fraction form
    51,665.43/77,528.04 = 21,676.98/x
  3. Step 3: Cross multiply
    51,665.43x = 77,528.04 × 21,676.98
  4. Step 4: Simplify right side
    51,665.43x = 1,680,573,772.52
  5. Step 5: Solve for x
    x = 1,680,573,772.52/51,665.43
  6. Step 6: Final answer
    x = 32,528.01

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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.