Home / 56,364.09-84,555.87-18,927.78

Finding the Fourth Proportional to 56,364.09, 84,555.87 and 18,927.78

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Solution

The fourth proportional to 56,364.09, 84,555.87 and 18,927.78 is: 28,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,364.09 : 84,555.87 = 18,927.78 : x
  2. Step 2: Convert to fraction form
    56,364.09/84,555.87 = 18,927.78/x
  3. Step 3: Cross multiply
    56,364.09x = 84,555.87 × 18,927.78
  4. Step 4: Simplify right side
    56,364.09x = 1,600,454,517.00
  5. Step 5: Solve for x
    x = 1,600,454,517.00/56,364.09
  6. Step 6: Final answer
    x = 28,394.93

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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.