Home / 30,682.52-42,343.18-17,254.36

Finding the Fourth Proportional to 30,682.52, 42,343.18 and 17,254.36

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Solution

The fourth proportional to 30,682.52, 42,343.18 and 17,254.36 is: 23,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682.52 : 42,343.18 = 17,254.36 : x
  2. Step 2: Convert to fraction form
    30,682.52/42,343.18 = 17,254.36/x
  3. Step 3: Cross multiply
    30,682.52x = 42,343.18 × 17,254.36
  4. Step 4: Simplify right side
    30,682.52x = 730,604,471.26
  5. Step 5: Solve for x
    x = 730,604,471.26/30,682.52
  6. Step 6: Final answer
    x = 23,811.75

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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.