Home / 53,755.48-80,647.74-18,697.08

Finding the Fourth Proportional to 53,755.48, 80,647.74 and 18,697.08

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Solution

The fourth proportional to 53,755.48, 80,647.74 and 18,697.08 is: 28,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.48 : 80,647.74 = 18,697.08 : x
  2. Step 2: Convert to fraction form
    53,755.48/80,647.74 = 18,697.08/x
  3. Step 3: Cross multiply
    53,755.48x = 80,647.74 × 18,697.08
  4. Step 4: Simplify right side
    53,755.48x = 1,507,877,246.60
  5. Step 5: Solve for x
    x = 1,507,877,246.60/53,755.48
  6. Step 6: Final answer
    x = 28,050.67

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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.