Home / 37,877.37-52,270.89-20,649.63

Finding the Fourth Proportional to 37,877.37, 52,270.89 and 20,649.63

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Solution

The fourth proportional to 37,877.37, 52,270.89 and 20,649.63 is: 28,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,877.37 : 52,270.89 = 20,649.63 : x
  2. Step 2: Convert to fraction form
    37,877.37/52,270.89 = 20,649.63/x
  3. Step 3: Cross multiply
    37,877.37x = 52,270.89 × 20,649.63
  4. Step 4: Simplify right side
    37,877.37x = 1,079,374,831.08
  5. Step 5: Solve for x
    x = 1,079,374,831.08/37,877.37
  6. Step 6: Final answer
    x = 28,496.56

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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.