Home / 35,318.16-48,739.92-19,403.64

Finding the Fourth Proportional to 35,318.16, 48,739.92 and 19,403.64

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Solution

The fourth proportional to 35,318.16, 48,739.92 and 19,403.64 is: 26,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.16 : 48,739.92 = 19,403.64 : x
  2. Step 2: Convert to fraction form
    35,318.16/48,739.92 = 19,403.64/x
  3. Step 3: Cross multiply
    35,318.16x = 48,739.92 × 19,403.64
  4. Step 4: Simplify right side
    35,318.16x = 945,731,861.31
  5. Step 5: Solve for x
    x = 945,731,861.31/35,318.16
  6. Step 6: Final answer
    x = 26,777.50

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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.