Home / 54,330.12-74,974.62-30,130.92

Finding the Fourth Proportional to 54,330.12, 74,974.62 and 30,130.92

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Solution

The fourth proportional to 54,330.12, 74,974.62 and 30,130.92 is: 41,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.12 : 74,974.62 = 30,130.92 : x
  2. Step 2: Convert to fraction form
    54,330.12/74,974.62 = 30,130.92/x
  3. Step 3: Cross multiply
    54,330.12x = 74,974.62 × 30,130.92
  4. Step 4: Simplify right side
    54,330.12x = 2,259,054,277.25
  5. Step 5: Solve for x
    x = 2,259,054,277.25/54,330.12
  6. Step 6: Final answer
    x = 41,580.15

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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.