Home / 39,221.31-54,130.02-23,305.77

Finding the Fourth Proportional to 39,221.31, 54,130.02 and 23,305.77

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Solution

The fourth proportional to 39,221.31, 54,130.02 and 23,305.77 is: 32,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.31 : 54,130.02 = 23,305.77 : x
  2. Step 2: Convert to fraction form
    39,221.31/54,130.02 = 23,305.77/x
  3. Step 3: Cross multiply
    39,221.31x = 54,130.02 × 23,305.77
  4. Step 4: Simplify right side
    39,221.31x = 1,261,541,796.22
  5. Step 5: Solve for x
    x = 1,261,541,796.22/39,221.31
  6. Step 6: Final answer
    x = 32,164.70

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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.