Home / 39,830.49-54,984.33-28,352.85

Finding the Fourth Proportional to 39,830.49, 54,984.33 and 28,352.85

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Solution

The fourth proportional to 39,830.49, 54,984.33 and 28,352.85 is: 39,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.49 : 54,984.33 = 28,352.85 : x
  2. Step 2: Convert to fraction form
    39,830.49/54,984.33 = 28,352.85/x
  3. Step 3: Cross multiply
    39,830.49x = 54,984.33 × 28,352.85
  4. Step 4: Simplify right side
    39,830.49x = 1,558,962,460.84
  5. Step 5: Solve for x
    x = 1,558,962,460.84/39,830.49
  6. Step 6: Final answer
    x = 39,139.93

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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.