Home / 35,707.56-49,274.10-21,568.20

Finding the Fourth Proportional to 35,707.56, 49,274.10 and 21,568.20

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Solution

The fourth proportional to 35,707.56, 49,274.10 and 21,568.20 is: 29,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,707.56 : 49,274.10 = 21,568.20 : x
  2. Step 2: Convert to fraction form
    35,707.56/49,274.10 = 21,568.20/x
  3. Step 3: Cross multiply
    35,707.56x = 49,274.10 × 21,568.20
  4. Step 4: Simplify right side
    35,707.56x = 1,062,753,643.62
  5. Step 5: Solve for x
    x = 1,062,753,643.62/35,707.56
  6. Step 6: Final answer
    x = 29,762.71

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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.