Home / 39,021.54-53,840.34-23,707.78

Finding the Fourth Proportional to 39,021.54, 53,840.34 and 23,707.78

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Solution

The fourth proportional to 39,021.54, 53,840.34 and 23,707.78 is: 32,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.54 : 53,840.34 = 23,707.78 : x
  2. Step 2: Convert to fraction form
    39,021.54/53,840.34 = 23,707.78/x
  3. Step 3: Cross multiply
    39,021.54x = 53,840.34 × 23,707.78
  4. Step 4: Simplify right side
    39,021.54x = 1,276,434,935.85
  5. Step 5: Solve for x
    x = 1,276,434,935.85/39,021.54
  6. Step 6: Final answer
    x = 32,711.03

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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.