Home / 20,566.90-30,850.50-4,984.52

Finding the Fourth Proportional to 20,566.90, 30,850.50 and 4,984.52

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Solution

The fourth proportional to 20,566.90, 30,850.50 and 4,984.52 is: 7,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.90 : 30,850.50 = 4,984.52 : x
  2. Step 2: Convert to fraction form
    20,566.90/30,850.50 = 4,984.52/x
  3. Step 3: Cross multiply
    20,566.90x = 30,850.50 × 4,984.52
  4. Step 4: Simplify right side
    20,566.90x = 153,774,934.26
  5. Step 5: Solve for x
    x = 153,774,934.26/20,566.90
  6. Step 6: Final answer
    x = 7,476.82

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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.