Home / 51,251.40-76,885.02-21,669.36

Finding the Fourth Proportional to 51,251.40, 76,885.02 and 21,669.36

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Solution

The fourth proportional to 51,251.40, 76,885.02 and 21,669.36 is: 32,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.40 : 76,885.02 = 21,669.36 : x
  2. Step 2: Convert to fraction form
    51,251.40/76,885.02 = 21,669.36/x
  3. Step 3: Cross multiply
    51,251.40x = 76,885.02 × 21,669.36
  4. Step 4: Simplify right side
    51,251.40x = 1,666,049,176.99
  5. Step 5: Solve for x
    x = 1,666,049,176.99/51,251.40
  6. Step 6: Final answer
    x = 32,507.39

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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.