Home / 49,499.18-74,285.67-19,917.26

Finding the Fourth Proportional to 49,499.18, 74,285.67 and 19,917.26

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Solution

The fourth proportional to 49,499.18, 74,285.67 and 19,917.26 is: 29,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,499.18 : 74,285.67 = 19,917.26 : x
  2. Step 2: Convert to fraction form
    49,499.18/74,285.67 = 19,917.26/x
  3. Step 3: Cross multiply
    49,499.18x = 74,285.67 × 19,917.26
  4. Step 4: Simplify right side
    49,499.18x = 1,479,566,904.08
  5. Step 5: Solve for x
    x = 1,479,566,904.08/49,499.18
  6. Step 6: Final answer
    x = 29,890.74

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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.