Home / 30,079.56-45,090.96-10,344.32

Finding the Fourth Proportional to 30,079.56, 45,090.96 and 10,344.32

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Solution

The fourth proportional to 30,079.56, 45,090.96 and 10,344.32 is: 15,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.56 : 45,090.96 = 10,344.32 : x
  2. Step 2: Convert to fraction form
    30,079.56/45,090.96 = 10,344.32/x
  3. Step 3: Cross multiply
    30,079.56x = 45,090.96 × 10,344.32
  4. Step 4: Simplify right side
    30,079.56x = 466,435,093.89
  5. Step 5: Solve for x
    x = 466,435,093.89/30,079.56
  6. Step 6: Final answer
    x = 15,506.71

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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.