Home / 20,523.83-30,785.75-4,941.45

Finding the Fourth Proportional to 20,523.83, 30,785.75 and 4,941.45

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Solution

The fourth proportional to 20,523.83, 30,785.75 and 4,941.45 is: 7,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.83 : 30,785.75 = 4,941.45 : x
  2. Step 2: Convert to fraction form
    20,523.83/30,785.75 = 4,941.45/x
  3. Step 3: Cross multiply
    20,523.83x = 30,785.75 × 4,941.45
  4. Step 4: Simplify right side
    20,523.83x = 152,126,219.63
  5. Step 5: Solve for x
    x = 152,126,219.63/20,523.83
  6. Step 6: Final answer
    x = 7,412.18

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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.