Home / 30,682.02-42,342.49-17,253.86

Finding the Fourth Proportional to 30,682.02, 42,342.49 and 17,253.86

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Solution

The fourth proportional to 30,682.02, 42,342.49 and 17,253.86 is: 23,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682.02 : 42,342.49 = 17,253.86 : x
  2. Step 2: Convert to fraction form
    30,682.02/42,342.49 = 17,253.86/x
  3. Step 3: Cross multiply
    30,682.02x = 42,342.49 × 17,253.86
  4. Step 4: Simplify right side
    30,682.02x = 730,571,394.51
  5. Step 5: Solve for x
    x = 730,571,394.51/30,682.02
  6. Step 6: Final answer
    x = 23,811.06

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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.