Home / 39,881.56-55,018.02-25,534.60

Finding the Fourth Proportional to 39,881.56, 55,018.02 and 25,534.60

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Solution

The fourth proportional to 39,881.56, 55,018.02 and 25,534.60 is: 35,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.56 : 55,018.02 = 25,534.60 : x
  2. Step 2: Convert to fraction form
    39,881.56/55,018.02 = 25,534.60/x
  3. Step 3: Cross multiply
    39,881.56x = 55,018.02 × 25,534.60
  4. Step 4: Simplify right side
    39,881.56x = 1,404,863,133.49
  5. Step 5: Solve for x
    x = 1,404,863,133.49/39,881.56
  6. Step 6: Final answer
    x = 35,225.88

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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.