Home / 55,771.86-83,653.74-18,331.50

Finding the Fourth Proportional to 55,771.86, 83,653.74 and 18,331.50

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Solution

The fourth proportional to 55,771.86, 83,653.74 and 18,331.50 is: 27,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.86 : 83,653.74 = 18,331.50 : x
  2. Step 2: Convert to fraction form
    55,771.86/83,653.74 = 18,331.50/x
  3. Step 3: Cross multiply
    55,771.86x = 83,653.74 × 18,331.50
  4. Step 4: Simplify right side
    55,771.86x = 1,533,498,534.81
  5. Step 5: Solve for x
    x = 1,533,498,534.81/55,771.86
  6. Step 6: Final answer
    x = 27,495.92

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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.