Home / 38,464.28-53,080.62-21,697.16

Finding the Fourth Proportional to 38,464.28, 53,080.62 and 21,697.16

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Solution

The fourth proportional to 38,464.28, 53,080.62 and 21,697.16 is: 29,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,464.28 : 53,080.62 = 21,697.16 : x
  2. Step 2: Convert to fraction form
    38,464.28/53,080.62 = 21,697.16/x
  3. Step 3: Cross multiply
    38,464.28x = 53,080.62 × 21,697.16
  4. Step 4: Simplify right side
    38,464.28x = 1,151,698,705.04
  5. Step 5: Solve for x
    x = 1,151,698,705.04/38,464.28
  6. Step 6: Final answer
    x = 29,942.03

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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.