Home / 30,127.37-45,211.92-10,406.09

Finding the Fourth Proportional to 30,127.37, 45,211.92 and 10,406.09

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Solution

The fourth proportional to 30,127.37, 45,211.92 and 10,406.09 is: 15,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.37 : 45,211.92 = 10,406.09 : x
  2. Step 2: Convert to fraction form
    30,127.37/45,211.92 = 10,406.09/x
  3. Step 3: Cross multiply
    30,127.37x = 45,211.92 × 10,406.09
  4. Step 4: Simplify right side
    30,127.37x = 470,479,308.59
  5. Step 5: Solve for x
    x = 470,479,308.59/30,127.37
  6. Step 6: Final answer
    x = 15,616.34

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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.