Home / 38,865.48-58,298.22-19,140.36

Finding the Fourth Proportional to 38,865.48, 58,298.22 and 19,140.36

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Solution

The fourth proportional to 38,865.48, 58,298.22 and 19,140.36 is: 28,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865.48 : 58,298.22 = 19,140.36 : x
  2. Step 2: Convert to fraction form
    38,865.48/58,298.22 = 19,140.36/x
  3. Step 3: Cross multiply
    38,865.48x = 58,298.22 × 19,140.36
  4. Step 4: Simplify right side
    38,865.48x = 1,115,848,918.16
  5. Step 5: Solve for x
    x = 1,115,848,918.16/38,865.48
  6. Step 6: Final answer
    x = 28,710.54

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Similar ratio
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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.