Home / 30,897.52-42,640.97-17,470.28

Finding the Fourth Proportional to 30,897.52, 42,640.97 and 17,470.28

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Solution

The fourth proportional to 30,897.52, 42,640.97 and 17,470.28 is: 24,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.52 : 42,640.97 = 17,470.28 : x
  2. Step 2: Convert to fraction form
    30,897.52/42,640.97 = 17,470.28/x
  3. Step 3: Cross multiply
    30,897.52x = 42,640.97 × 17,470.28
  4. Step 4: Simplify right side
    30,897.52x = 744,949,704.62
  5. Step 5: Solve for x
    x = 744,949,704.62/30,897.52
  6. Step 6: Final answer
    x = 24,110.34

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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.