Home / 48,531.05-72,807.51-18,957.34

Finding the Fourth Proportional to 48,531.05, 72,807.51 and 18,957.34

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Solution

The fourth proportional to 48,531.05, 72,807.51 and 18,957.34 is: 28,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.05 : 72,807.51 = 18,957.34 : x
  2. Step 2: Convert to fraction form
    48,531.05/72,807.51 = 18,957.34/x
  3. Step 3: Cross multiply
    48,531.05x = 72,807.51 × 18,957.34
  4. Step 4: Simplify right side
    48,531.05x = 1,380,236,777.09
  5. Step 5: Solve for x
    x = 1,380,236,777.09/48,531.05
  6. Step 6: Final answer
    x = 28,440.28

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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.