Home / 48,133.85-72,205.83-12,600.77

Finding the Fourth Proportional to 48,133.85, 72,205.83 and 12,600.77

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Solution

The fourth proportional to 48,133.85, 72,205.83 and 12,600.77 is: 18,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133.85 : 72,205.83 = 12,600.77 : x
  2. Step 2: Convert to fraction form
    48,133.85/72,205.83 = 12,600.77/x
  3. Step 3: Cross multiply
    48,133.85x = 72,205.83 × 12,600.77
  4. Step 4: Simplify right side
    48,133.85x = 909,848,695.46
  5. Step 5: Solve for x
    x = 909,848,695.46/48,133.85
  6. Step 6: Final answer
    x = 18,902.47

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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.