Home / 35,558.55-49,068.78-21,234.54

Finding the Fourth Proportional to 35,558.55, 49,068.78 and 21,234.54

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Solution

The fourth proportional to 35,558.55, 49,068.78 and 21,234.54 is: 29,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,558.55 : 49,068.78 = 21,234.54 : x
  2. Step 2: Convert to fraction form
    35,558.55/49,068.78 = 21,234.54/x
  3. Step 3: Cross multiply
    35,558.55x = 49,068.78 × 21,234.54
  4. Step 4: Simplify right side
    35,558.55x = 1,041,952,971.66
  5. Step 5: Solve for x
    x = 1,041,952,971.66/35,558.55
  6. Step 6: Final answer
    x = 29,302.46

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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.