Home / 54,259.02-81,389.49-19,198.86

Finding the Fourth Proportional to 54,259.02, 81,389.49 and 19,198.86

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Solution

The fourth proportional to 54,259.02, 81,389.49 and 19,198.86 is: 28,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.02 : 81,389.49 = 19,198.86 : x
  2. Step 2: Convert to fraction form
    54,259.02/81,389.49 = 19,198.86/x
  3. Step 3: Cross multiply
    54,259.02x = 81,389.49 × 19,198.86
  4. Step 4: Simplify right side
    54,259.02x = 1,562,585,423.98
  5. Step 5: Solve for x
    x = 1,562,585,423.98/54,259.02
  6. Step 6: Final answer
    x = 28,798.63

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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.