Home / 47,955.88-66,187.76-30,066.40

Finding the Fourth Proportional to 47,955.88, 66,187.76 and 30,066.40

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Solution

The fourth proportional to 47,955.88, 66,187.76 and 30,066.40 is: 41,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,955.88 : 66,187.76 = 30,066.40 : x
  2. Step 2: Convert to fraction form
    47,955.88/66,187.76 = 30,066.40/x
  3. Step 3: Cross multiply
    47,955.88x = 66,187.76 × 30,066.40
  4. Step 4: Simplify right side
    47,955.88x = 1,990,027,667.26
  5. Step 5: Solve for x
    x = 1,990,027,667.26/47,955.88
  6. Step 6: Final answer
    x = 41,497.05

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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.