Home / 30,695.62-42,360.55-17,949.94

Finding the Fourth Proportional to 30,695.62, 42,360.55 and 17,949.94

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Solution

The fourth proportional to 30,695.62, 42,360.55 and 17,949.94 is: 24,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,695.62 : 42,360.55 = 17,949.94 : x
  2. Step 2: Convert to fraction form
    30,695.62/42,360.55 = 17,949.94/x
  3. Step 3: Cross multiply
    30,695.62x = 42,360.55 × 17,949.94
  4. Step 4: Simplify right side
    30,695.62x = 760,369,330.87
  5. Step 5: Solve for x
    x = 760,369,330.87/30,695.62
  6. Step 6: Final answer
    x = 24,771.26

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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.