Home / 50,077.80-75,116.51-20,495.67

Finding the Fourth Proportional to 50,077.80, 75,116.51 and 20,495.67

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Solution

The fourth proportional to 50,077.80, 75,116.51 and 20,495.67 is: 30,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,077.80 : 75,116.51 = 20,495.67 : x
  2. Step 2: Convert to fraction form
    50,077.80/75,116.51 = 20,495.67/x
  3. Step 3: Cross multiply
    50,077.80x = 75,116.51 × 20,495.67
  4. Step 4: Simplify right side
    50,077.80x = 1,539,563,098.03
  5. Step 5: Solve for x
    x = 1,539,563,098.03/50,077.80
  6. Step 6: Final answer
    x = 30,743.43

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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.