Home / 36,295.90-50,087.04-20,381.02

Finding the Fourth Proportional to 36,295.90, 50,087.04 and 20,381.02

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Solution

The fourth proportional to 36,295.90, 50,087.04 and 20,381.02 is: 28,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.90 : 50,087.04 = 20,381.02 : x
  2. Step 2: Convert to fraction form
    36,295.90/50,087.04 = 20,381.02/x
  3. Step 3: Cross multiply
    36,295.90x = 50,087.04 × 20,381.02
  4. Step 4: Simplify right side
    36,295.90x = 1,020,824,963.98
  5. Step 5: Solve for x
    x = 1,020,824,963.98/36,295.90
  6. Step 6: Final answer
    x = 28,125.08

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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.