Home / 29,109.48-40,170.60-16,188.24

Finding the Fourth Proportional to 29,109.48, 40,170.60 and 16,188.24

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Solution

The fourth proportional to 29,109.48, 40,170.60 and 16,188.24 is: 22,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.48 : 40,170.60 = 16,188.24 : x
  2. Step 2: Convert to fraction form
    29,109.48/40,170.60 = 16,188.24/x
  3. Step 3: Cross multiply
    29,109.48x = 40,170.60 × 16,188.24
  4. Step 4: Simplify right side
    29,109.48x = 650,291,313.74
  5. Step 5: Solve for x
    x = 650,291,313.74/29,109.48
  6. Step 6: Final answer
    x = 22,339.50

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Double scale
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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.