Home / 52,252.31-72,108.32-30,742.86

Finding the Fourth Proportional to 52,252.31, 72,108.32 and 30,742.86

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Solution

The fourth proportional to 52,252.31, 72,108.32 and 30,742.86 is: 42,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252.31 : 72,108.32 = 30,742.86 : x
  2. Step 2: Convert to fraction form
    52,252.31/72,108.32 = 30,742.86/x
  3. Step 3: Cross multiply
    52,252.31x = 72,108.32 × 30,742.86
  4. Step 4: Simplify right side
    52,252.31x = 2,216,816,362.68
  5. Step 5: Solve for x
    x = 2,216,816,362.68/52,252.31
  6. Step 6: Final answer
    x = 42,425.23

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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.