Home / 30,150.12-45,209.38-10,424.06

Finding the Fourth Proportional to 30,150.12, 45,209.38 and 10,424.06

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Solution

The fourth proportional to 30,150.12, 45,209.38 and 10,424.06 is: 15,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.12 : 45,209.38 = 10,424.06 : x
  2. Step 2: Convert to fraction form
    30,150.12/45,209.38 = 10,424.06/x
  3. Step 3: Cross multiply
    30,150.12x = 45,209.38 × 10,424.06
  4. Step 4: Simplify right side
    30,150.12x = 471,265,289.68
  5. Step 5: Solve for x
    x = 471,265,289.68/30,150.12
  6. Step 6: Final answer
    x = 15,630.63

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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.