Home / 30,704.18-42,371.94-17,275.66

Finding the Fourth Proportional to 30,704.18, 42,371.94 and 17,275.66

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Solution

The fourth proportional to 30,704.18, 42,371.94 and 17,275.66 is: 23,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.18 : 42,371.94 = 17,275.66 : x
  2. Step 2: Convert to fraction form
    30,704.18/42,371.94 = 17,275.66/x
  3. Step 3: Cross multiply
    30,704.18x = 42,371.94 × 17,275.66
  4. Step 4: Simplify right side
    30,704.18x = 732,003,426.18
  5. Step 5: Solve for x
    x = 732,003,426.18/30,704.18
  6. Step 6: Final answer
    x = 23,840.51

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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.