Home / 29,068.20-43,610.40-12,436.20

Finding the Fourth Proportional to 29,068.20, 43,610.40 and 12,436.20

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Solution

The fourth proportional to 29,068.20, 43,610.40 and 12,436.20 is: 18,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068.20 : 43,610.40 = 12,436.20 : x
  2. Step 2: Convert to fraction form
    29,068.20/43,610.40 = 12,436.20/x
  3. Step 3: Cross multiply
    29,068.20x = 43,610.40 × 12,436.20
  4. Step 4: Simplify right side
    29,068.20x = 542,347,656.48
  5. Step 5: Solve for x
    x = 542,347,656.48/29,068.20
  6. Step 6: Final answer
    x = 18,657.77

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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.