Home / 54,421.71-81,629.68-16,977.49

Finding the Fourth Proportional to 54,421.71, 81,629.68 and 16,977.49

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Solution

The fourth proportional to 54,421.71, 81,629.68 and 16,977.49 is: 25,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.71 : 81,629.68 = 16,977.49 : x
  2. Step 2: Convert to fraction form
    54,421.71/81,629.68 = 16,977.49/x
  3. Step 3: Cross multiply
    54,421.71x = 81,629.68 × 16,977.49
  4. Step 4: Simplify right side
    54,421.71x = 1,385,867,075.90
  5. Step 5: Solve for x
    x = 1,385,867,075.90/54,421.71
  6. Step 6: Final answer
    x = 25,465.33

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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.