Home / 40,390.80-55,737.14-22,485.34

Finding the Fourth Proportional to 40,390.80, 55,737.14 and 22,485.34

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Solution

The fourth proportional to 40,390.80, 55,737.14 and 22,485.34 is: 31,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.80 : 55,737.14 = 22,485.34 : x
  2. Step 2: Convert to fraction form
    40,390.80/55,737.14 = 22,485.34/x
  3. Step 3: Cross multiply
    40,390.80x = 55,737.14 × 22,485.34
  4. Step 4: Simplify right side
    40,390.80x = 1,253,268,543.53
  5. Step 5: Solve for x
    x = 1,253,268,543.53/40,390.80
  6. Step 6: Final answer
    x = 31,028.56

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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.