Home / 29,219.20-43,828.80-10,508.20

Finding the Fourth Proportional to 29,219.20, 43,828.80 and 10,508.20

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Solution

The fourth proportional to 29,219.20, 43,828.80 and 10,508.20 is: 15,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.20 : 43,828.80 = 10,508.20 : x
  2. Step 2: Convert to fraction form
    29,219.20/43,828.80 = 10,508.20/x
  3. Step 3: Cross multiply
    29,219.20x = 43,828.80 × 10,508.20
  4. Step 4: Simplify right side
    29,219.20x = 460,561,796.16
  5. Step 5: Solve for x
    x = 460,561,796.16/29,219.20
  6. Step 6: Final answer
    x = 15,762.30

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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.