Home / 30,283.46-45,425.43-10,561.98

Finding the Fourth Proportional to 30,283.46, 45,425.43 and 10,561.98

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Solution

The fourth proportional to 30,283.46, 45,425.43 and 10,561.98 is: 15,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.46 : 45,425.43 = 10,561.98 : x
  2. Step 2: Convert to fraction form
    30,283.46/45,425.43 = 10,561.98/x
  3. Step 3: Cross multiply
    30,283.46x = 45,425.43 × 10,561.98
  4. Step 4: Simplify right side
    30,283.46x = 479,782,483.15
  5. Step 5: Solve for x
    x = 479,782,483.15/30,283.46
  6. Step 6: Final answer
    x = 15,843.06

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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.