Home / 38,397.33-52,986.11-21,401.01

Finding the Fourth Proportional to 38,397.33, 52,986.11 and 21,401.01

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Solution

The fourth proportional to 38,397.33, 52,986.11 and 21,401.01 is: 29,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.33 : 52,986.11 = 21,401.01 : x
  2. Step 2: Convert to fraction form
    38,397.33/52,986.11 = 21,401.01/x
  3. Step 3: Cross multiply
    38,397.33x = 52,986.11 × 21,401.01
  4. Step 4: Simplify right side
    38,397.33x = 1,133,956,162.97
  5. Step 5: Solve for x
    x = 1,133,956,162.97/38,397.33
  6. Step 6: Final answer
    x = 29,532.16

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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.