Home / 50,709.89-69,973.43-28,045.73

Finding the Fourth Proportional to 50,709.89, 69,973.43 and 28,045.73

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Solution

The fourth proportional to 50,709.89, 69,973.43 and 28,045.73 is: 38,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,709.89 : 69,973.43 = 28,045.73 : x
  2. Step 2: Convert to fraction form
    50,709.89/69,973.43 = 28,045.73/x
  3. Step 3: Cross multiply
    50,709.89x = 69,973.43 × 28,045.73
  4. Step 4: Simplify right side
    50,709.89x = 1,962,455,924.95
  5. Step 5: Solve for x
    x = 1,962,455,924.95/50,709.89
  6. Step 6: Final answer
    x = 38,699.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.