Home / 55,821.14-77,028.70-31,942.34

Finding the Fourth Proportional to 55,821.14, 77,028.70 and 31,942.34

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Solution

The fourth proportional to 55,821.14, 77,028.70 and 31,942.34 is: 44,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,821.14 : 77,028.70 = 31,942.34 : x
  2. Step 2: Convert to fraction form
    55,821.14/77,028.70 = 31,942.34/x
  3. Step 3: Cross multiply
    55,821.14x = 77,028.70 × 31,942.34
  4. Step 4: Simplify right side
    55,821.14x = 2,460,476,460.16
  5. Step 5: Solve for x
    x = 2,460,476,460.16/55,821.14
  6. Step 6: Final answer
    x = 44,077.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.