Home / 38,908.53-53,692.61-28,342.89

Finding the Fourth Proportional to 38,908.53, 53,692.61 and 28,342.89

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Solution

The fourth proportional to 38,908.53, 53,692.61 and 28,342.89 is: 39,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.53 : 53,692.61 = 28,342.89 : x
  2. Step 2: Convert to fraction form
    38,908.53/53,692.61 = 28,342.89/x
  3. Step 3: Cross multiply
    38,908.53x = 53,692.61 × 28,342.89
  4. Step 4: Simplify right side
    38,908.53x = 1,521,803,597.33
  5. Step 5: Solve for x
    x = 1,521,803,597.33/38,908.53
  6. Step 6: Final answer
    x = 39,112.34

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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.