Home / 54,071.78-81,107.62-39,374.19

Finding the Fourth Proportional to 54,071.78, 81,107.62 and 39,374.19

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Solution

The fourth proportional to 54,071.78, 81,107.62 and 39,374.19 is: 59,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.78 : 81,107.62 = 39,374.19 : x
  2. Step 2: Convert to fraction form
    54,071.78/81,107.62 = 39,374.19/x
  3. Step 3: Cross multiply
    54,071.78x = 81,107.62 × 39,374.19
  4. Step 4: Simplify right side
    54,071.78x = 3,193,546,741.89
  5. Step 5: Solve for x
    x = 3,193,546,741.89/54,071.78
  6. Step 6: Final answer
    x = 59,061.25

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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.