Home / 54,631.08-81,948.24-21,349.80

Finding the Fourth Proportional to 54,631.08, 81,948.24 and 21,349.80

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Solution

The fourth proportional to 54,631.08, 81,948.24 and 21,349.80 is: 32,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.08 : 81,948.24 = 21,349.80 : x
  2. Step 2: Convert to fraction form
    54,631.08/81,948.24 = 21,349.80/x
  3. Step 3: Cross multiply
    54,631.08x = 81,948.24 × 21,349.80
  4. Step 4: Simplify right side
    54,631.08x = 1,749,578,534.35
  5. Step 5: Solve for x
    x = 1,749,578,534.35/54,631.08
  6. Step 6: Final answer
    x = 32,025.33

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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.