Home / 30,203.89-45,274.83-10,471.66

Finding the Fourth Proportional to 30,203.89, 45,274.83 and 10,471.66

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Solution

The fourth proportional to 30,203.89, 45,274.83 and 10,471.66 is: 15,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.89 : 45,274.83 = 10,471.66 : x
  2. Step 2: Convert to fraction form
    30,203.89/45,274.83 = 10,471.66/x
  3. Step 3: Cross multiply
    30,203.89x = 45,274.83 × 10,471.66
  4. Step 4: Simplify right side
    30,203.89x = 474,102,626.32
  5. Step 5: Solve for x
    x = 474,102,626.32/30,203.89
  6. Step 6: Final answer
    x = 15,696.74

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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.