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Finding the Fourth Proportional to 35,083.88, 48,415.80 and 19,975.88

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Solution

The fourth proportional to 35,083.88, 48,415.80 and 19,975.88 is: 27,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,083.88 : 48,415.80 = 19,975.88 : x
  2. Step 2: Convert to fraction form
    35,083.88/48,415.80 = 19,975.88/x
  3. Step 3: Cross multiply
    35,083.88x = 48,415.80 × 19,975.88
  4. Step 4: Simplify right side
    35,083.88x = 967,148,210.90
  5. Step 5: Solve for x
    x = 967,148,210.90/35,083.88
  6. Step 6: Final answer
    x = 27,566.74

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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.