Home / 36,243.48-50,018.50-20,328.95

Finding the Fourth Proportional to 36,243.48, 50,018.50 and 20,328.95

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Solution

The fourth proportional to 36,243.48, 50,018.50 and 20,328.95 is: 28,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243.48 : 50,018.50 = 20,328.95 : x
  2. Step 2: Convert to fraction form
    36,243.48/50,018.50 = 20,328.95/x
  3. Step 3: Cross multiply
    36,243.48x = 50,018.50 × 20,328.95
  4. Step 4: Simplify right side
    36,243.48x = 1,016,823,585.58
  5. Step 5: Solve for x
    x = 1,016,823,585.58/36,243.48
  6. Step 6: Final answer
    x = 28,055.35

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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.