Home / 54,021.60-81,032.40-34,314.30

Finding the Fourth Proportional to 54,021.60, 81,032.40 and 34,314.30

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Solution

The fourth proportional to 54,021.60, 81,032.40 and 34,314.30 is: 51,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.60 : 81,032.40 = 34,314.30 : x
  2. Step 2: Convert to fraction form
    54,021.60/81,032.40 = 34,314.30/x
  3. Step 3: Cross multiply
    54,021.60x = 81,032.40 × 34,314.30
  4. Step 4: Simplify right side
    54,021.60x = 2,780,570,083.32
  5. Step 5: Solve for x
    x = 2,780,570,083.32/54,021.60
  6. Step 6: Final answer
    x = 51,471.45

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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.