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Finding the Fourth Proportional to 54,225.12, 81,495.12 and 35,873.76

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Solution

The fourth proportional to 54,225.12, 81,495.12 and 35,873.76 is: 53,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.12 : 81,495.12 = 35,873.76 : x
  2. Step 2: Convert to fraction form
    54,225.12/81,495.12 = 35,873.76/x
  3. Step 3: Cross multiply
    54,225.12x = 81,495.12 × 35,873.76
  4. Step 4: Simplify right side
    54,225.12x = 2,923,536,376.05
  5. Step 5: Solve for x
    x = 2,923,536,376.05/54,225.12
  6. Step 6: Final answer
    x = 53,914.80

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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.