Home / 54,117.20-81,161.40-16,677.20

Finding the Fourth Proportional to 54,117.20, 81,161.40 and 16,677.20

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Solution

The fourth proportional to 54,117.20, 81,161.40 and 16,677.20 is: 25,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.20 : 81,161.40 = 16,677.20 : x
  2. Step 2: Convert to fraction form
    54,117.20/81,161.40 = 16,677.20/x
  3. Step 3: Cross multiply
    54,117.20x = 81,161.40 × 16,677.20
  4. Step 4: Simplify right side
    54,117.20x = 1,353,544,900.08
  5. Step 5: Solve for x
    x = 1,353,544,900.08/54,117.20
  6. Step 6: Final answer
    x = 25,011.36

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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.