Home / 39,945.21-55,130.86-23,814.48

Finding the Fourth Proportional to 39,945.21, 55,130.86 and 23,814.48

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Solution

The fourth proportional to 39,945.21, 55,130.86 and 23,814.48 is: 32,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.21 : 55,130.86 = 23,814.48 : x
  2. Step 2: Convert to fraction form
    39,945.21/55,130.86 = 23,814.48/x
  3. Step 3: Cross multiply
    39,945.21x = 55,130.86 × 23,814.48
  4. Step 4: Simplify right side
    39,945.21x = 1,312,912,762.85
  5. Step 5: Solve for x
    x = 1,312,912,762.85/39,945.21
  6. Step 6: Final answer
    x = 32,867.84

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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.