Home / 30,736.91-42,416.53-17,309.49

Finding the Fourth Proportional to 30,736.91, 42,416.53 and 17,309.49

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Solution

The fourth proportional to 30,736.91, 42,416.53 and 17,309.49 is: 23,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.91 : 42,416.53 = 17,309.49 : x
  2. Step 2: Convert to fraction form
    30,736.91/42,416.53 = 17,309.49/x
  3. Step 3: Cross multiply
    30,736.91x = 42,416.53 × 17,309.49
  4. Step 4: Simplify right side
    30,736.91x = 734,208,299.53
  5. Step 5: Solve for x
    x = 734,208,299.53/30,736.91
  6. Step 6: Final answer
    x = 23,886.86

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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.