Home / 55,816.12-77,028.06-31,940.92

Finding the Fourth Proportional to 55,816.12, 77,028.06 and 31,940.92

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Solution

The fourth proportional to 55,816.12, 77,028.06 and 31,940.92 is: 44,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,816.12 : 77,028.06 = 31,940.92 : x
  2. Step 2: Convert to fraction form
    55,816.12/77,028.06 = 31,940.92/x
  3. Step 3: Cross multiply
    55,816.12x = 77,028.06 × 31,940.92
  4. Step 4: Simplify right side
    55,816.12x = 2,460,347,102.22
  5. Step 5: Solve for x
    x = 2,460,347,102.22/55,816.12
  6. Step 6: Final answer
    x = 44,079.51

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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.