Home / 29,105.60-43,656.48-8,331.20

Finding the Fourth Proportional to 29,105.60, 43,656.48 and 8,331.20

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Solution

The fourth proportional to 29,105.60, 43,656.48 and 8,331.20 is: 12,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.60 : 43,656.48 = 8,331.20 : x
  2. Step 2: Convert to fraction form
    29,105.60/43,656.48 = 8,331.20/x
  3. Step 3: Cross multiply
    29,105.60x = 43,656.48 × 8,331.20
  4. Step 4: Simplify right side
    29,105.60x = 363,710,866.18
  5. Step 5: Solve for x
    x = 363,710,866.18/29,105.60
  6. Step 6: Final answer
    x = 12,496.25

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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.