Home / 30,160.31-45,240.19-7,671.06

Finding the Fourth Proportional to 30,160.31, 45,240.19 and 7,671.06

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Solution

The fourth proportional to 30,160.31, 45,240.19 and 7,671.06 is: 11,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.31 : 45,240.19 = 7,671.06 : x
  2. Step 2: Convert to fraction form
    30,160.31/45,240.19 = 7,671.06/x
  3. Step 3: Cross multiply
    30,160.31x = 45,240.19 × 7,671.06
  4. Step 4: Simplify right side
    30,160.31x = 347,040,192.72
  5. Step 5: Solve for x
    x = 347,040,192.72/30,160.31
  6. Step 6: Final answer
    x = 11,506.52

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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.