Home / 54,172.90-81,290.40-29,212.84

Finding the Fourth Proportional to 54,172.90, 81,290.40 and 29,212.84

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Solution

The fourth proportional to 54,172.90, 81,290.40 and 29,212.84 is: 43,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.90 : 81,290.40 = 29,212.84 : x
  2. Step 2: Convert to fraction form
    54,172.90/81,290.40 = 29,212.84/x
  3. Step 3: Cross multiply
    54,172.90x = 81,290.40 × 29,212.84
  4. Step 4: Simplify right side
    54,172.90x = 2,374,723,448.74
  5. Step 5: Solve for x
    x = 2,374,723,448.74/54,172.90
  6. Step 6: Final answer
    x = 43,836.00

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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.