Home / 30,006.45-45,010.62-10,284.84

Finding the Fourth Proportional to 30,006.45, 45,010.62 and 10,284.84

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Solution

The fourth proportional to 30,006.45, 45,010.62 and 10,284.84 is: 15,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.45 : 45,010.62 = 10,284.84 : x
  2. Step 2: Convert to fraction form
    30,006.45/45,010.62 = 10,284.84/x
  3. Step 3: Cross multiply
    30,006.45x = 45,010.62 × 10,284.84
  4. Step 4: Simplify right side
    30,006.45x = 462,927,025.00
  5. Step 5: Solve for x
    x = 462,927,025.00/30,006.45
  6. Step 6: Final answer
    x = 15,427.58

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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.