Home / 39,018.05-53,845.09-22,023.01

Finding the Fourth Proportional to 39,018.05, 53,845.09 and 22,023.01

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Solution

The fourth proportional to 39,018.05, 53,845.09 and 22,023.01 is: 30,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.05 : 53,845.09 = 22,023.01 : x
  2. Step 2: Convert to fraction form
    39,018.05/53,845.09 = 22,023.01/x
  3. Step 3: Cross multiply
    39,018.05x = 53,845.09 × 22,023.01
  4. Step 4: Simplify right side
    39,018.05x = 1,185,830,955.52
  5. Step 5: Solve for x
    x = 1,185,830,955.52/39,018.05
  6. Step 6: Final answer
    x = 30,391.86

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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.