Home / 48,400.10-72,599.94-18,838.55

Finding the Fourth Proportional to 48,400.10, 72,599.94 and 18,838.55

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Solution

The fourth proportional to 48,400.10, 72,599.94 and 18,838.55 is: 28,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.10 : 72,599.94 = 18,838.55 : x
  2. Step 2: Convert to fraction form
    48,400.10/72,599.94 = 18,838.55/x
  3. Step 3: Cross multiply
    48,400.10x = 72,599.94 × 18,838.55
  4. Step 4: Simplify right side
    48,400.10x = 1,367,677,236.69
  5. Step 5: Solve for x
    x = 1,367,677,236.69/48,400.10
  6. Step 6: Final answer
    x = 28,257.74

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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.