Home / 51,678.63-77,517.54-16,618.32

Finding the Fourth Proportional to 51,678.63, 77,517.54 and 16,618.32

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Solution

The fourth proportional to 51,678.63, 77,517.54 and 16,618.32 is: 24,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,678.63 : 77,517.54 = 16,618.32 : x
  2. Step 2: Convert to fraction form
    51,678.63/77,517.54 = 16,618.32/x
  3. Step 3: Cross multiply
    51,678.63x = 77,517.54 × 16,618.32
  4. Step 4: Simplify right side
    51,678.63x = 1,288,211,285.33
  5. Step 5: Solve for x
    x = 1,288,211,285.33/51,678.63
  6. Step 6: Final answer
    x = 24,927.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.