Home / 44,945.51-67,418.53-19,979.69

Finding the Fourth Proportional to 44,945.51, 67,418.53 and 19,979.69

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Solution

The fourth proportional to 44,945.51, 67,418.53 and 19,979.69 is: 29,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,945.51 : 67,418.53 = 19,979.69 : x
  2. Step 2: Convert to fraction form
    44,945.51/67,418.53 = 19,979.69/x
  3. Step 3: Cross multiply
    44,945.51x = 67,418.53 × 19,979.69
  4. Step 4: Simplify right side
    44,945.51x = 1,347,000,942.61
  5. Step 5: Solve for x
    x = 1,347,000,942.61/44,945.51
  6. Step 6: Final answer
    x = 29,969.65

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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.