Home / 30,192.58-45,288.87-10,471.15

Finding the Fourth Proportional to 30,192.58, 45,288.87 and 10,471.15

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Solution

The fourth proportional to 30,192.58, 45,288.87 and 10,471.15 is: 15,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.58 : 45,288.87 = 10,471.15 : x
  2. Step 2: Convert to fraction form
    30,192.58/45,288.87 = 10,471.15/x
  3. Step 3: Cross multiply
    30,192.58x = 45,288.87 × 10,471.15
  4. Step 4: Simplify right side
    30,192.58x = 474,226,551.10
  5. Step 5: Solve for x
    x = 474,226,551.10/30,192.58
  6. Step 6: Final answer
    x = 15,706.73

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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.