Home / 36,821.37-55,248.45-13,442.34

Finding the Fourth Proportional to 36,821.37, 55,248.45 and 13,442.34

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Solution

The fourth proportional to 36,821.37, 55,248.45 and 13,442.34 is: 20,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.37 : 55,248.45 = 13,442.34 : x
  2. Step 2: Convert to fraction form
    36,821.37/55,248.45 = 13,442.34/x
  3. Step 3: Cross multiply
    36,821.37x = 55,248.45 × 13,442.34
  4. Step 4: Simplify right side
    36,821.37x = 742,668,449.37
  5. Step 5: Solve for x
    x = 742,668,449.37/36,821.37
  6. Step 6: Final answer
    x = 20,169.50

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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.