Home / 50,308.39-75,477.66-20,307.18

Finding the Fourth Proportional to 50,308.39, 75,477.66 and 20,307.18

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Solution

The fourth proportional to 50,308.39, 75,477.66 and 20,307.18 is: 30,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,308.39 : 75,477.66 = 20,307.18 : x
  2. Step 2: Convert to fraction form
    50,308.39/75,477.66 = 20,307.18/x
  3. Step 3: Cross multiply
    50,308.39x = 75,477.66 × 20,307.18
  4. Step 4: Simplify right side
    50,308.39x = 1,532,738,427.60
  5. Step 5: Solve for x
    x = 1,532,738,427.60/50,308.39
  6. Step 6: Final answer
    x = 30,466.86

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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.