Home / 48,558.89-72,838.35-13,498.85

Finding the Fourth Proportional to 48,558.89, 72,838.35 and 13,498.85

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Solution

The fourth proportional to 48,558.89, 72,838.35 and 13,498.85 is: 20,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,558.89 : 72,838.35 = 13,498.85 : x
  2. Step 2: Convert to fraction form
    48,558.89/72,838.35 = 13,498.85/x
  3. Step 3: Cross multiply
    48,558.89x = 72,838.35 × 13,498.85
  4. Step 4: Simplify right side
    48,558.89x = 983,233,960.90
  5. Step 5: Solve for x
    x = 983,233,960.90/48,558.89
  6. Step 6: Final answer
    x = 20,248.28

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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.