Home / 54,816.90-82,225.21-21,513.67

Finding the Fourth Proportional to 54,816.90, 82,225.21 and 21,513.67

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Solution

The fourth proportional to 54,816.90, 82,225.21 and 21,513.67 is: 32,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.90 : 82,225.21 = 21,513.67 : x
  2. Step 2: Convert to fraction form
    54,816.90/82,225.21 = 21,513.67/x
  3. Step 3: Cross multiply
    54,816.90x = 82,225.21 × 21,513.67
  4. Step 4: Simplify right side
    54,816.90x = 1,768,965,814.61
  5. Step 5: Solve for x
    x = 1,768,965,814.61/54,816.90
  6. Step 6: Final answer
    x = 32,270.44

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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.