Home / 39,343.53-58,979.61-19,628.13

Finding the Fourth Proportional to 39,343.53, 58,979.61 and 19,628.13

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Solution

The fourth proportional to 39,343.53, 58,979.61 and 19,628.13 is: 29,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.53 : 58,979.61 = 19,628.13 : x
  2. Step 2: Convert to fraction form
    39,343.53/58,979.61 = 19,628.13/x
  3. Step 3: Cross multiply
    39,343.53x = 58,979.61 × 19,628.13
  4. Step 4: Simplify right side
    39,343.53x = 1,157,659,452.43
  5. Step 5: Solve for x
    x = 1,157,659,452.43/39,343.53
  6. Step 6: Final answer
    x = 29,424.39

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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.