Home / 54,321.04-74,965.08-30,448.18

Finding the Fourth Proportional to 54,321.04, 74,965.08 and 30,448.18

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Solution

The fourth proportional to 54,321.04, 74,965.08 and 30,448.18 is: 42,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.04 : 74,965.08 = 30,448.18 : x
  2. Step 2: Convert to fraction form
    54,321.04/74,965.08 = 30,448.18/x
  3. Step 3: Cross multiply
    54,321.04x = 74,965.08 × 30,448.18
  4. Step 4: Simplify right side
    54,321.04x = 2,282,550,249.55
  5. Step 5: Solve for x
    x = 2,282,550,249.55/54,321.04
  6. Step 6: Final answer
    x = 42,019.63

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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.