Home / 51,252.08-76,881.36-21,666.02

Finding the Fourth Proportional to 51,252.08, 76,881.36 and 21,666.02

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Solution

The fourth proportional to 51,252.08, 76,881.36 and 21,666.02 is: 32,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,252.08 : 76,881.36 = 21,666.02 : x
  2. Step 2: Convert to fraction form
    51,252.08/76,881.36 = 21,666.02/x
  3. Step 3: Cross multiply
    51,252.08x = 76,881.36 × 21,666.02
  4. Step 4: Simplify right side
    51,252.08x = 1,665,713,083.39
  5. Step 5: Solve for x
    x = 1,665,713,083.39/51,252.08
  6. Step 6: Final answer
    x = 32,500.40

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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.