Home / 39,319.67-58,921.17-28,880.39

Finding the Fourth Proportional to 39,319.67, 58,921.17 and 28,880.39

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Solution

The fourth proportional to 39,319.67, 58,921.17 and 28,880.39 is: 43,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.67 : 58,921.17 = 28,880.39 : x
  2. Step 2: Convert to fraction form
    39,319.67/58,921.17 = 28,880.39/x
  3. Step 3: Cross multiply
    39,319.67x = 58,921.17 × 28,880.39
  4. Step 4: Simplify right side
    39,319.67x = 1,701,666,224.45
  5. Step 5: Solve for x
    x = 1,701,666,224.45/39,319.67
  6. Step 6: Final answer
    x = 43,277.73

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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.