Home / 30,659.94-42,312.66-17,049.51

Finding the Fourth Proportional to 30,659.94, 42,312.66 and 17,049.51

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Solution

The fourth proportional to 30,659.94, 42,312.66 and 17,049.51 is: 23,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.94 : 42,312.66 = 17,049.51 : x
  2. Step 2: Convert to fraction form
    30,659.94/42,312.66 = 17,049.51/x
  3. Step 3: Cross multiply
    30,659.94x = 42,312.66 × 17,049.51
  4. Step 4: Simplify right side
    30,659.94x = 721,410,119.80
  5. Step 5: Solve for x
    x = 721,410,119.80/30,659.94
  6. Step 6: Final answer
    x = 23,529.40

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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.