Home / 42,399.28-58,480.60-26,261.36

Finding the Fourth Proportional to 42,399.28, 58,480.60 and 26,261.36

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Solution

The fourth proportional to 42,399.28, 58,480.60 and 26,261.36 is: 36,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,399.28 : 58,480.60 = 26,261.36 : x
  2. Step 2: Convert to fraction form
    42,399.28/58,480.60 = 26,261.36/x
  3. Step 3: Cross multiply
    42,399.28x = 58,480.60 × 26,261.36
  4. Step 4: Simplify right side
    42,399.28x = 1,535,780,089.62
  5. Step 5: Solve for x
    x = 1,535,780,089.62/42,399.28
  6. Step 6: Final answer
    x = 36,221.84

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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.