Home / 30,117.06-45,160.56-17,640.18

Finding the Fourth Proportional to 30,117.06, 45,160.56 and 17,640.18

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Solution

The fourth proportional to 30,117.06, 45,160.56 and 17,640.18 is: 26,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.06 : 45,160.56 = 17,640.18 : x
  2. Step 2: Convert to fraction form
    30,117.06/45,160.56 = 17,640.18/x
  3. Step 3: Cross multiply
    30,117.06x = 45,160.56 × 17,640.18
  4. Step 4: Simplify right side
    30,117.06x = 796,640,407.30
  5. Step 5: Solve for x
    x = 796,640,407.30/30,117.06
  6. Step 6: Final answer
    x = 26,451.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.