Home / 30,597.35-42,345.79-29,861.06

Finding the Fourth Proportional to 30,597.35, 42,345.79 and 29,861.06

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Solution

The fourth proportional to 30,597.35, 42,345.79 and 29,861.06 is: 41,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.35 : 42,345.79 = 29,861.06 : x
  2. Step 2: Convert to fraction form
    30,597.35/42,345.79 = 29,861.06/x
  3. Step 3: Cross multiply
    30,597.35x = 42,345.79 × 29,861.06
  4. Step 4: Simplify right side
    30,597.35x = 1,264,489,889.56
  5. Step 5: Solve for x
    x = 1,264,489,889.56/30,597.35
  6. Step 6: Final answer
    x = 41,326.78

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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.