Home / 54,441.60-81,662.40-47,529.60

Finding the Fourth Proportional to 54,441.60, 81,662.40 and 47,529.60

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Solution

The fourth proportional to 54,441.60, 81,662.40 and 47,529.60 is: 71,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441.60 : 81,662.40 = 47,529.60 : x
  2. Step 2: Convert to fraction form
    54,441.60/81,662.40 = 47,529.60/x
  3. Step 3: Cross multiply
    54,441.60x = 81,662.40 × 47,529.60
  4. Step 4: Simplify right side
    54,441.60x = 3,881,381,207.04
  5. Step 5: Solve for x
    x = 3,881,381,207.04/54,441.60
  6. Step 6: Final answer
    x = 71,294.40

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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.