Home / 54,685.32-75,467.14-30,812.84

Finding the Fourth Proportional to 54,685.32, 75,467.14 and 30,812.84

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Solution

The fourth proportional to 54,685.32, 75,467.14 and 30,812.84 is: 42,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.32 : 75,467.14 = 30,812.84 : x
  2. Step 2: Convert to fraction form
    54,685.32/75,467.14 = 30,812.84/x
  3. Step 3: Cross multiply
    54,685.32x = 75,467.14 × 30,812.84
  4. Step 4: Simplify right side
    54,685.32x = 2,325,356,910.08
  5. Step 5: Solve for x
    x = 2,325,356,910.08/54,685.32
  6. Step 6: Final answer
    x = 42,522.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.