Home / 30,039.19-45,061.25-9,262.69

Finding the Fourth Proportional to 30,039.19, 45,061.25 and 9,262.69

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Solution

The fourth proportional to 30,039.19, 45,061.25 and 9,262.69 is: 13,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.19 : 45,061.25 = 9,262.69 : x
  2. Step 2: Convert to fraction form
    30,039.19/45,061.25 = 9,262.69/x
  3. Step 3: Cross multiply
    30,039.19x = 45,061.25 × 9,262.69
  4. Step 4: Simplify right side
    30,039.19x = 417,388,230.80
  5. Step 5: Solve for x
    x = 417,388,230.80/30,039.19
  6. Step 6: Final answer
    x = 13,894.79

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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.