Home / 51,431.90-77,178.50-22,966.64

Finding the Fourth Proportional to 51,431.90, 77,178.50 and 22,966.64

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Solution

The fourth proportional to 51,431.90, 77,178.50 and 22,966.64 is: 34,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.90 : 77,178.50 = 22,966.64 : x
  2. Step 2: Convert to fraction form
    51,431.90/77,178.50 = 22,966.64/x
  3. Step 3: Cross multiply
    51,431.90x = 77,178.50 × 22,966.64
  4. Step 4: Simplify right side
    51,431.90x = 1,772,530,700.06
  5. Step 5: Solve for x
    x = 1,772,530,700.06/51,431.90
  6. Step 6: Final answer
    x = 34,463.65

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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.