Home / 48,418.81-72,611.89-18,425.93

Finding the Fourth Proportional to 48,418.81, 72,611.89 and 18,425.93

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Solution

The fourth proportional to 48,418.81, 72,611.89 and 18,425.93 is: 27,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,418.81 : 72,611.89 = 18,425.93 : x
  2. Step 2: Convert to fraction form
    48,418.81/72,611.89 = 18,425.93/x
  3. Step 3: Cross multiply
    48,418.81x = 72,611.89 × 18,425.93
  4. Step 4: Simplify right side
    48,418.81x = 1,337,941,602.31
  5. Step 5: Solve for x
    x = 1,337,941,602.31/48,418.81
  6. Step 6: Final answer
    x = 27,632.68

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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.