Home / 30,768.32-42,460.26-17,342.84

Finding the Fourth Proportional to 30,768.32, 42,460.26 and 17,342.84

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Solution

The fourth proportional to 30,768.32, 42,460.26 and 17,342.84 is: 23,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.32 : 42,460.26 = 17,342.84 : x
  2. Step 2: Convert to fraction form
    30,768.32/42,460.26 = 17,342.84/x
  3. Step 3: Cross multiply
    30,768.32x = 42,460.26 × 17,342.84
  4. Step 4: Simplify right side
    30,768.32x = 736,381,495.54
  5. Step 5: Solve for x
    x = 736,381,495.54/30,768.32
  6. Step 6: Final answer
    x = 23,933.11

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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.