Home / 36,554.41-50,445.09-20,639.89

Finding the Fourth Proportional to 36,554.41, 50,445.09 and 20,639.89

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Solution

The fourth proportional to 36,554.41, 50,445.09 and 20,639.89 is: 28,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,554.41 : 50,445.09 = 20,639.89 : x
  2. Step 2: Convert to fraction form
    36,554.41/50,445.09 = 20,639.89/x
  3. Step 3: Cross multiply
    36,554.41x = 50,445.09 × 20,639.89
  4. Step 4: Simplify right side
    36,554.41x = 1,041,181,058.84
  5. Step 5: Solve for x
    x = 1,041,181,058.84/36,554.41
  6. Step 6: Final answer
    x = 28,483.05

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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.