Home / 54,292.64-81,435.08-16,851.80

Finding the Fourth Proportional to 54,292.64, 81,435.08 and 16,851.80

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Solution

The fourth proportional to 54,292.64, 81,435.08 and 16,851.80 is: 25,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,292.64 : 81,435.08 = 16,851.80 : x
  2. Step 2: Convert to fraction form
    54,292.64/81,435.08 = 16,851.80/x
  3. Step 3: Cross multiply
    54,292.64x = 81,435.08 × 16,851.80
  4. Step 4: Simplify right side
    54,292.64x = 1,372,327,681.14
  5. Step 5: Solve for x
    x = 1,372,327,681.14/54,292.64
  6. Step 6: Final answer
    x = 25,276.50

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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.