Home / 38,469.16-53,088.53-21,473.05

Finding the Fourth Proportional to 38,469.16, 53,088.53 and 21,473.05

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Solution

The fourth proportional to 38,469.16, 53,088.53 and 21,473.05 is: 29,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.16 : 53,088.53 = 21,473.05 : x
  2. Step 2: Convert to fraction form
    38,469.16/53,088.53 = 21,473.05/x
  3. Step 3: Cross multiply
    38,469.16x = 53,088.53 × 21,473.05
  4. Step 4: Simplify right side
    38,469.16x = 1,139,972,659.12
  5. Step 5: Solve for x
    x = 1,139,972,659.12/38,469.16
  6. Step 6: Final answer
    x = 29,633.42

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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.