Home / 54,308.20-81,476.70-19,244.20

Finding the Fourth Proportional to 54,308.20, 81,476.70 and 19,244.20

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Solution

The fourth proportional to 54,308.20, 81,476.70 and 19,244.20 is: 28,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,308.20 : 81,476.70 = 19,244.20 : x
  2. Step 2: Convert to fraction form
    54,308.20/81,476.70 = 19,244.20/x
  3. Step 3: Cross multiply
    54,308.20x = 81,476.70 × 19,244.20
  4. Step 4: Simplify right side
    54,308.20x = 1,567,953,910.14
  5. Step 5: Solve for x
    x = 1,567,953,910.14/54,308.20
  6. Step 6: Final answer
    x = 28,871.40

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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.