Home / 30,389.06-45,583.81-9,612.56

Finding the Fourth Proportional to 30,389.06, 45,583.81 and 9,612.56

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Solution

The fourth proportional to 30,389.06, 45,583.81 and 9,612.56 is: 14,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.06 : 45,583.81 = 9,612.56 : x
  2. Step 2: Convert to fraction form
    30,389.06/45,583.81 = 9,612.56/x
  3. Step 3: Cross multiply
    30,389.06x = 45,583.81 × 9,612.56
  4. Step 4: Simplify right side
    30,389.06x = 438,177,198.58
  5. Step 5: Solve for x
    x = 438,177,198.58/30,389.06
  6. Step 6: Final answer
    x = 14,418.91

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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.