Home / 35,405.10-48,859.34-19,489.64

Finding the Fourth Proportional to 35,405.10, 48,859.34 and 19,489.64

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Solution

The fourth proportional to 35,405.10, 48,859.34 and 19,489.64 is: 26,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.10 : 48,859.34 = 19,489.64 : x
  2. Step 2: Convert to fraction form
    35,405.10/48,859.34 = 19,489.64/x
  3. Step 3: Cross multiply
    35,405.10x = 48,859.34 × 19,489.64
  4. Step 4: Simplify right side
    35,405.10x = 952,250,605.49
  5. Step 5: Solve for x
    x = 952,250,605.49/35,405.10
  6. Step 6: Final answer
    x = 26,895.86

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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.