Home / 30,455.82-45,686.36-10,734.55

Finding the Fourth Proportional to 30,455.82, 45,686.36 and 10,734.55

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Solution

The fourth proportional to 30,455.82, 45,686.36 and 10,734.55 is: 16,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.82 : 45,686.36 = 10,734.55 : x
  2. Step 2: Convert to fraction form
    30,455.82/45,686.36 = 10,734.55/x
  3. Step 3: Cross multiply
    30,455.82x = 45,686.36 × 10,734.55
  4. Step 4: Simplify right side
    30,455.82x = 490,422,428.36
  5. Step 5: Solve for x
    x = 490,422,428.36/30,455.82
  6. Step 6: Final answer
    x = 16,102.75

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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.