Home / 36,402.75-50,222.16-21,290.58

Finding the Fourth Proportional to 36,402.75, 50,222.16 and 21,290.58

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Solution

The fourth proportional to 36,402.75, 50,222.16 and 21,290.58 is: 29,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.75 : 50,222.16 = 21,290.58 : x
  2. Step 2: Convert to fraction form
    36,402.75/50,222.16 = 21,290.58/x
  3. Step 3: Cross multiply
    36,402.75x = 50,222.16 × 21,290.58
  4. Step 4: Simplify right side
    36,402.75x = 1,069,258,915.25
  5. Step 5: Solve for x
    x = 1,069,258,915.25/36,402.75
  6. Step 6: Final answer
    x = 29,373.03

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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.