Home / 30,127.26-45,195.92-10,400.52

Finding the Fourth Proportional to 30,127.26, 45,195.92 and 10,400.52

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Solution

The fourth proportional to 30,127.26, 45,195.92 and 10,400.52 is: 15,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.26 : 45,195.92 = 10,400.52 : x
  2. Step 2: Convert to fraction form
    30,127.26/45,195.92 = 10,400.52/x
  3. Step 3: Cross multiply
    30,127.26x = 45,195.92 × 10,400.52
  4. Step 4: Simplify right side
    30,127.26x = 470,061,069.88
  5. Step 5: Solve for x
    x = 470,061,069.88/30,127.26
  6. Step 6: Final answer
    x = 15,602.52

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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.