Home / 33,117.10-49,679.76-10,629.28

Finding the Fourth Proportional to 33,117.10, 49,679.76 and 10,629.28

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Solution

The fourth proportional to 33,117.10, 49,679.76 and 10,629.28 is: 15,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.10 : 49,679.76 = 10,629.28 : x
  2. Step 2: Convert to fraction form
    33,117.10/49,679.76 = 10,629.28/x
  3. Step 3: Cross multiply
    33,117.10x = 49,679.76 × 10,629.28
  4. Step 4: Simplify right side
    33,117.10x = 528,059,812.20
  5. Step 5: Solve for x
    x = 528,059,812.20/33,117.10
  6. Step 6: Final answer
    x = 15,945.23

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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.