Home / 51,868.70-77,623.85-31,107.10

Finding the Fourth Proportional to 51,868.70, 77,623.85 and 31,107.10

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Solution

The fourth proportional to 51,868.70, 77,623.85 and 31,107.10 is: 46,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.70 : 77,623.85 = 31,107.10 : x
  2. Step 2: Convert to fraction form
    51,868.70/77,623.85 = 31,107.10/x
  3. Step 3: Cross multiply
    51,868.70x = 77,623.85 × 31,107.10
  4. Step 4: Simplify right side
    51,868.70x = 2,414,652,864.34
  5. Step 5: Solve for x
    x = 2,414,652,864.34/51,868.70
  6. Step 6: Final answer
    x = 46,553.18

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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.