Home / 30,127.28-45,196.96-10,406.56

Finding the Fourth Proportional to 30,127.28, 45,196.96 and 10,406.56

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Solution

The fourth proportional to 30,127.28, 45,196.96 and 10,406.56 is: 15,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.28 : 45,196.96 = 10,406.56 : x
  2. Step 2: Convert to fraction form
    30,127.28/45,196.96 = 10,406.56/x
  3. Step 3: Cross multiply
    30,127.28x = 45,196.96 × 10,406.56
  4. Step 4: Simplify right side
    30,127.28x = 470,344,876.06
  5. Step 5: Solve for x
    x = 470,344,876.06/30,127.28
  6. Step 6: Final answer
    x = 15,611.93

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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.