Home / 30,381.26-45,576.44-10,656.34

Finding the Fourth Proportional to 30,381.26, 45,576.44 and 10,656.34

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Solution

The fourth proportional to 30,381.26, 45,576.44 and 10,656.34 is: 15,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.26 : 45,576.44 = 10,656.34 : x
  2. Step 2: Convert to fraction form
    30,381.26/45,576.44 = 10,656.34/x
  3. Step 3: Cross multiply
    30,381.26x = 45,576.44 × 10,656.34
  4. Step 4: Simplify right side
    30,381.26x = 485,678,040.63
  5. Step 5: Solve for x
    x = 485,678,040.63/30,381.26
  6. Step 6: Final answer
    x = 15,986.11

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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.