Home / 49,543.74-74,314.80-19,960.86

Finding the Fourth Proportional to 49,543.74, 74,314.80 and 19,960.86

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Solution

The fourth proportional to 49,543.74, 74,314.80 and 19,960.86 is: 29,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.74 : 74,314.80 = 19,960.86 : x
  2. Step 2: Convert to fraction form
    49,543.74/74,314.80 = 19,960.86/x
  3. Step 3: Cross multiply
    49,543.74x = 74,314.80 × 19,960.86
  4. Step 4: Simplify right side
    49,543.74x = 1,483,387,318.73
  5. Step 5: Solve for x
    x = 1,483,387,318.73/49,543.74
  6. Step 6: Final answer
    x = 29,940.96

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1.5x scale

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.