Home / 39,840.05-59,699.84-28,735.56

Finding the Fourth Proportional to 39,840.05, 59,699.84 and 28,735.56

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Solution

The fourth proportional to 39,840.05, 59,699.84 and 28,735.56 is: 43,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.05 : 59,699.84 = 28,735.56 : x
  2. Step 2: Convert to fraction form
    39,840.05/59,699.84 = 28,735.56/x
  3. Step 3: Cross multiply
    39,840.05x = 59,699.84 × 28,735.56
  4. Step 4: Simplify right side
    39,840.05x = 1,715,508,190.63
  5. Step 5: Solve for x
    x = 1,715,508,190.63/39,840.05
  6. Step 6: Final answer
    x = 43,059.89

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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.