Home / 30,704.84-42,369.67-17,275.80

Finding the Fourth Proportional to 30,704.84, 42,369.67 and 17,275.80

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Solution

The fourth proportional to 30,704.84, 42,369.67 and 17,275.80 is: 23,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.84 : 42,369.67 = 17,275.80 : x
  2. Step 2: Convert to fraction form
    30,704.84/42,369.67 = 17,275.80/x
  3. Step 3: Cross multiply
    30,704.84x = 42,369.67 × 17,275.80
  4. Step 4: Simplify right side
    30,704.84x = 731,969,944.99
  5. Step 5: Solve for x
    x = 731,969,944.99/30,704.84
  6. Step 6: Final answer
    x = 23,838.91

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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.