Home / 54,378.12-81,585.68-16,946.67

Finding the Fourth Proportional to 54,378.12, 81,585.68 and 16,946.67

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Solution

The fourth proportional to 54,378.12, 81,585.68 and 16,946.67 is: 25,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378.12 : 81,585.68 = 16,946.67 : x
  2. Step 2: Convert to fraction form
    54,378.12/81,585.68 = 16,946.67/x
  3. Step 3: Cross multiply
    54,378.12x = 81,585.68 × 16,946.67
  4. Step 4: Simplify right side
    54,378.12x = 1,382,605,510.95
  5. Step 5: Solve for x
    x = 1,382,605,510.95/54,378.12
  6. Step 6: Final answer
    x = 25,425.77

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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.