Home / 30,956.34-42,719.92-16,809.18

Finding the Fourth Proportional to 30,956.34, 42,719.92 and 16,809.18

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Solution

The fourth proportional to 30,956.34, 42,719.92 and 16,809.18 is: 23,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.34 : 42,719.92 = 16,809.18 : x
  2. Step 2: Convert to fraction form
    30,956.34/42,719.92 = 16,809.18/x
  3. Step 3: Cross multiply
    30,956.34x = 42,719.92 × 16,809.18
  4. Step 4: Simplify right side
    30,956.34x = 718,086,824.87
  5. Step 5: Solve for x
    x = 718,086,824.87/30,956.34
  6. Step 6: Final answer
    x = 23,196.76

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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.