Home / 38,473.28-53,093.04-21,706.16

Finding the Fourth Proportional to 38,473.28, 53,093.04 and 21,706.16

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Solution

The fourth proportional to 38,473.28, 53,093.04 and 21,706.16 is: 29,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,473.28 : 53,093.04 = 21,706.16 : x
  2. Step 2: Convert to fraction form
    38,473.28/53,093.04 = 21,706.16/x
  3. Step 3: Cross multiply
    38,473.28x = 53,093.04 × 21,706.16
  4. Step 4: Simplify right side
    38,473.28x = 1,152,446,021.13
  5. Step 5: Solve for x
    x = 1,152,446,021.13/38,473.28
  6. Step 6: Final answer
    x = 29,954.45

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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.