Home / 30,474.20-42,055.73-17,045.41

Finding the Fourth Proportional to 30,474.20, 42,055.73 and 17,045.41

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Solution

The fourth proportional to 30,474.20, 42,055.73 and 17,045.41 is: 23,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.20 : 42,055.73 = 17,045.41 : x
  2. Step 2: Convert to fraction form
    30,474.20/42,055.73 = 17,045.41/x
  3. Step 3: Cross multiply
    30,474.20x = 42,055.73 × 17,045.41
  4. Step 4: Simplify right side
    30,474.20x = 716,857,160.70
  5. Step 5: Solve for x
    x = 716,857,160.70/30,474.20
  6. Step 6: Final answer
    x = 23,523.41

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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.