Home / 51,952.38-77,896.10-21,951.20

Finding the Fourth Proportional to 51,952.38, 77,896.10 and 21,951.20

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Solution

The fourth proportional to 51,952.38, 77,896.10 and 21,951.20 is: 32,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,952.38 : 77,896.10 = 21,951.20 : x
  2. Step 2: Convert to fraction form
    51,952.38/77,896.10 = 21,951.20/x
  3. Step 3: Cross multiply
    51,952.38x = 77,896.10 × 21,951.20
  4. Step 4: Simplify right side
    51,952.38x = 1,709,912,870.32
  5. Step 5: Solve for x
    x = 1,709,912,870.32/51,952.38
  6. Step 6: Final answer
    x = 32,913.08

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1.5x scale

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.