Home / 50,320.86-69,442.80-27,661.32

Finding the Fourth Proportional to 50,320.86, 69,442.80 and 27,661.32

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Solution

The fourth proportional to 50,320.86, 69,442.80 and 27,661.32 is: 38,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,320.86 : 69,442.80 = 27,661.32 : x
  2. Step 2: Convert to fraction form
    50,320.86/69,442.80 = 27,661.32/x
  3. Step 3: Cross multiply
    50,320.86x = 69,442.80 × 27,661.32
  4. Step 4: Simplify right side
    50,320.86x = 1,920,879,512.50
  5. Step 5: Solve for x
    x = 1,920,879,512.50/50,320.86
  6. Step 6: Final answer
    x = 38,172.63

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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.