Home / 47,954.88-66,186.36-30,065.40

Finding the Fourth Proportional to 47,954.88, 66,186.36 and 30,065.40

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Solution

The fourth proportional to 47,954.88, 66,186.36 and 30,065.40 is: 41,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954.88 : 66,186.36 = 30,065.40 : x
  2. Step 2: Convert to fraction form
    47,954.88/66,186.36 = 30,065.40/x
  3. Step 3: Cross multiply
    47,954.88x = 66,186.36 × 30,065.40
  4. Step 4: Simplify right side
    47,954.88x = 1,989,919,387.94
  5. Step 5: Solve for x
    x = 1,989,919,387.94/47,954.88
  6. Step 6: Final answer
    x = 41,495.66

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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.