Home / 31,582.68-47,376.54-18,436.38

Finding the Fourth Proportional to 31,582.68, 47,376.54 and 18,436.38

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Solution

The fourth proportional to 31,582.68, 47,376.54 and 18,436.38 is: 27,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.68 : 47,376.54 = 18,436.38 : x
  2. Step 2: Convert to fraction form
    31,582.68/47,376.54 = 18,436.38/x
  3. Step 3: Cross multiply
    31,582.68x = 47,376.54 × 18,436.38
  4. Step 4: Simplify right side
    31,582.68x = 873,451,894.53
  5. Step 5: Solve for x
    x = 873,451,894.53/31,582.68
  6. Step 6: Final answer
    x = 27,656.04

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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.