Home / 30,173.68-41,639.50-17,426.69

Finding the Fourth Proportional to 30,173.68, 41,639.50 and 17,426.69

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Solution

The fourth proportional to 30,173.68, 41,639.50 and 17,426.69 is: 24,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.68 : 41,639.50 = 17,426.69 : x
  2. Step 2: Convert to fraction form
    30,173.68/41,639.50 = 17,426.69/x
  3. Step 3: Cross multiply
    30,173.68x = 41,639.50 × 17,426.69
  4. Step 4: Simplify right side
    30,173.68x = 725,638,658.26
  5. Step 5: Solve for x
    x = 725,638,658.26/30,173.68
  6. Step 6: Final answer
    x = 24,048.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.