Home / 40,007.39-55,206.46-25,641.86

Finding the Fourth Proportional to 40,007.39, 55,206.46 and 25,641.86

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Solution

The fourth proportional to 40,007.39, 55,206.46 and 25,641.86 is: 35,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.39 : 55,206.46 = 25,641.86 : x
  2. Step 2: Convert to fraction form
    40,007.39/55,206.46 = 25,641.86/x
  3. Step 3: Cross multiply
    40,007.39x = 55,206.46 × 25,641.86
  4. Step 4: Simplify right side
    40,007.39x = 1,415,596,318.42
  5. Step 5: Solve for x
    x = 1,415,596,318.42/40,007.39
  6. Step 6: Final answer
    x = 35,383.37

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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.