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Finding the Fourth Proportional to 35,774.98, 53,661.84 and 12,401.08

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Solution

The fourth proportional to 35,774.98, 53,661.84 and 12,401.08 is: 18,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.98 : 53,661.84 = 12,401.08 : x
  2. Step 2: Convert to fraction form
    35,774.98/53,661.84 = 12,401.08/x
  3. Step 3: Cross multiply
    35,774.98x = 53,661.84 × 12,401.08
  4. Step 4: Simplify right side
    35,774.98x = 665,464,770.79
  5. Step 5: Solve for x
    x = 665,464,770.79/35,774.98
  6. Step 6: Final answer
    x = 18,601.40

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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.