Home / 54,228.71-81,354.47-18,693.33

Finding the Fourth Proportional to 54,228.71, 81,354.47 and 18,693.33

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Solution

The fourth proportional to 54,228.71, 81,354.47 and 18,693.33 is: 28,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.71 : 81,354.47 = 18,693.33 : x
  2. Step 2: Convert to fraction form
    54,228.71/81,354.47 = 18,693.33/x
  3. Step 3: Cross multiply
    54,228.71x = 81,354.47 × 18,693.33
  4. Step 4: Simplify right side
    54,228.71x = 1,520,785,861.22
  5. Step 5: Solve for x
    x = 1,520,785,861.22/54,228.71
  6. Step 6: Final answer
    x = 28,043.93

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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.