Home / 30,710.04-42,375.97-17,960.70

Finding the Fourth Proportional to 30,710.04, 42,375.97 and 17,960.70

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Solution

The fourth proportional to 30,710.04, 42,375.97 and 17,960.70 is: 24,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,710.04 : 42,375.97 = 17,960.70 : x
  2. Step 2: Convert to fraction form
    30,710.04/42,375.97 = 17,960.70/x
  3. Step 3: Cross multiply
    30,710.04x = 42,375.97 × 17,960.70
  4. Step 4: Simplify right side
    30,710.04x = 761,102,112.22
  5. Step 5: Solve for x
    x = 761,102,112.22/30,710.04
  6. Step 6: Final answer
    x = 24,783.50

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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.