Home / 54,263.04-81,407.52-18,724.80

Finding the Fourth Proportional to 54,263.04, 81,407.52 and 18,724.80

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Solution

The fourth proportional to 54,263.04, 81,407.52 and 18,724.80 is: 28,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.04 : 81,407.52 = 18,724.80 : x
  2. Step 2: Convert to fraction form
    54,263.04/81,407.52 = 18,724.80/x
  3. Step 3: Cross multiply
    54,263.04x = 81,407.52 × 18,724.80
  4. Step 4: Simplify right side
    54,263.04x = 1,524,339,530.50
  5. Step 5: Solve for x
    x = 1,524,339,530.50/54,263.04
  6. Step 6: Final answer
    x = 28,091.67

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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.