Home / 42,171.71-63,226.32-25,527.81

Finding the Fourth Proportional to 42,171.71, 63,226.32 and 25,527.81

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Solution

The fourth proportional to 42,171.71, 63,226.32 and 25,527.81 is: 38,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,171.71 : 63,226.32 = 25,527.81 : x
  2. Step 2: Convert to fraction form
    42,171.71/63,226.32 = 25,527.81/x
  3. Step 3: Cross multiply
    42,171.71x = 63,226.32 × 25,527.81
  4. Step 4: Simplify right side
    42,171.71x = 1,614,029,040.19
  5. Step 5: Solve for x
    x = 1,614,029,040.19/42,171.71
  6. Step 6: Final answer
    x = 38,272.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.