Home / 39,403.25-54,655.08-37,984.74

Finding the Fourth Proportional to 39,403.25, 54,655.08 and 37,984.74

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Solution

The fourth proportional to 39,403.25, 54,655.08 and 37,984.74 is: 52,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.25 : 54,655.08 = 37,984.74 : x
  2. Step 2: Convert to fraction form
    39,403.25/54,655.08 = 37,984.74/x
  3. Step 3: Cross multiply
    39,403.25x = 54,655.08 × 37,984.74
  4. Step 4: Simplify right side
    39,403.25x = 2,076,058,540.28
  5. Step 5: Solve for x
    x = 2,076,058,540.28/39,403.25
  6. Step 6: Final answer
    x = 52,687.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.