Home / 35,409.17-48,872.97-20,301.56

Finding the Fourth Proportional to 35,409.17, 48,872.97 and 20,301.56

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Solution

The fourth proportional to 35,409.17, 48,872.97 and 20,301.56 is: 28,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.17 : 48,872.97 = 20,301.56 : x
  2. Step 2: Convert to fraction form
    35,409.17/48,872.97 = 20,301.56/x
  3. Step 3: Cross multiply
    35,409.17x = 48,872.97 × 20,301.56
  4. Step 4: Simplify right side
    35,409.17x = 992,197,471.74
  5. Step 5: Solve for x
    x = 992,197,471.74/35,409.17
  6. Step 6: Final answer
    x = 28,020.92

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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.