Home / 19,772.48-29,657.66-4,981.38

Finding the Fourth Proportional to 19,772.48, 29,657.66 and 4,981.38

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Solution

The fourth proportional to 19,772.48, 29,657.66 and 4,981.38 is: 7,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.48 : 29,657.66 = 4,981.38 : x
  2. Step 2: Convert to fraction form
    19,772.48/29,657.66 = 4,981.38/x
  3. Step 3: Cross multiply
    19,772.48x = 29,657.66 × 4,981.38
  4. Step 4: Simplify right side
    19,772.48x = 147,736,074.37
  5. Step 5: Solve for x
    x = 147,736,074.37/19,772.48
  6. Step 6: Final answer
    x = 7,471.80

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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.