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Finding the Fourth Proportional to 35,354.88, 53,002.08 and 11,968.56

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Solution

The fourth proportional to 35,354.88, 53,002.08 and 11,968.56 is: 17,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.88 : 53,002.08 = 11,968.56 : x
  2. Step 2: Convert to fraction form
    35,354.88/53,002.08 = 11,968.56/x
  3. Step 3: Cross multiply
    35,354.88x = 53,002.08 × 11,968.56
  4. Step 4: Simplify right side
    35,354.88x = 634,358,574.60
  5. Step 5: Solve for x
    x = 634,358,574.60/35,354.88
  6. Step 6: Final answer
    x = 17,942.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.