Home / 51,172.43-76,725.63-21,582.32

Finding the Fourth Proportional to 51,172.43, 76,725.63 and 21,582.32

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Solution

The fourth proportional to 51,172.43, 76,725.63 and 21,582.32 is: 32,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,172.43 : 76,725.63 = 21,582.32 : x
  2. Step 2: Convert to fraction form
    51,172.43/76,725.63 = 21,582.32/x
  3. Step 3: Cross multiply
    51,172.43x = 76,725.63 × 21,582.32
  4. Step 4: Simplify right side
    51,172.43x = 1,655,916,715.23
  5. Step 5: Solve for x
    x = 1,655,916,715.23/51,172.43
  6. Step 6: Final answer
    x = 32,359.55

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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.