Home / 54,337.59-81,520.62-18,806.31

Finding the Fourth Proportional to 54,337.59, 81,520.62 and 18,806.31

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Solution

The fourth proportional to 54,337.59, 81,520.62 and 18,806.31 is: 28,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.59 : 81,520.62 = 18,806.31 : x
  2. Step 2: Convert to fraction form
    54,337.59/81,520.62 = 18,806.31/x
  3. Step 3: Cross multiply
    54,337.59x = 81,520.62 × 18,806.31
  4. Step 4: Simplify right side
    54,337.59x = 1,533,102,051.11
  5. Step 5: Solve for x
    x = 1,533,102,051.11/54,337.59
  6. Step 6: Final answer
    x = 28,214.39

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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.