Home / 54,300.90-81,451.35-19,244.10

Finding the Fourth Proportional to 54,300.90, 81,451.35 and 19,244.10

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Solution

The fourth proportional to 54,300.90, 81,451.35 and 19,244.10 is: 28,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.90 : 81,451.35 = 19,244.10 : x
  2. Step 2: Convert to fraction form
    54,300.90/81,451.35 = 19,244.10/x
  3. Step 3: Cross multiply
    54,300.90x = 81,451.35 × 19,244.10
  4. Step 4: Simplify right side
    54,300.90x = 1,567,457,924.54
  5. Step 5: Solve for x
    x = 1,567,457,924.54/54,300.90
  6. Step 6: Final answer
    x = 28,866.15

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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.