Home / 54,189.42-74,783.13-30,320.16

Finding the Fourth Proportional to 54,189.42, 74,783.13 and 30,320.16

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Solution

The fourth proportional to 54,189.42, 74,783.13 and 30,320.16 is: 41,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.42 : 74,783.13 = 30,320.16 : x
  2. Step 2: Convert to fraction form
    54,189.42/74,783.13 = 30,320.16/x
  3. Step 3: Cross multiply
    54,189.42x = 74,783.13 × 30,320.16
  4. Step 4: Simplify right side
    54,189.42x = 2,267,436,466.90
  5. Step 5: Solve for x
    x = 2,267,436,466.90/54,189.42
  6. Step 6: Final answer
    x = 41,842.79

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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.