Home / 53,224.21-79,836.32-21,651.46

Finding the Fourth Proportional to 53,224.21, 79,836.32 and 21,651.46

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Solution

The fourth proportional to 53,224.21, 79,836.32 and 21,651.46 is: 32,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,224.21 : 79,836.32 = 21,651.46 : x
  2. Step 2: Convert to fraction form
    53,224.21/79,836.32 = 21,651.46/x
  3. Step 3: Cross multiply
    53,224.21x = 79,836.32 × 21,651.46
  4. Step 4: Simplify right side
    53,224.21x = 1,728,572,889.03
  5. Step 5: Solve for x
    x = 1,728,572,889.03/53,224.21
  6. Step 6: Final answer
    x = 32,477.19

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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.