Home / 30,618.92-42,253.44-17,006.06

Finding the Fourth Proportional to 30,618.92, 42,253.44 and 17,006.06

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Solution

The fourth proportional to 30,618.92, 42,253.44 and 17,006.06 is: 23,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618.92 : 42,253.44 = 17,006.06 : x
  2. Step 2: Convert to fraction form
    30,618.92/42,253.44 = 17,006.06/x
  3. Step 3: Cross multiply
    30,618.92x = 42,253.44 × 17,006.06
  4. Step 4: Simplify right side
    30,618.92x = 718,564,535.85
  5. Step 5: Solve for x
    x = 718,564,535.85/30,618.92
  6. Step 6: Final answer
    x = 23,467.99

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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.