Home / 54,317.20-81,483.90-19,254.10

Finding the Fourth Proportional to 54,317.20, 81,483.90 and 19,254.10

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Solution

The fourth proportional to 54,317.20, 81,483.90 and 19,254.10 is: 28,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.20 : 81,483.90 = 19,254.10 : x
  2. Step 2: Convert to fraction form
    54,317.20/81,483.90 = 19,254.10/x
  3. Step 3: Cross multiply
    54,317.20x = 81,483.90 × 19,254.10
  4. Step 4: Simplify right side
    54,317.20x = 1,568,899,158.99
  5. Step 5: Solve for x
    x = 1,568,899,158.99/54,317.20
  6. Step 6: Final answer
    x = 28,884.02

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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.