Home / 30,182.72-41,657.14-16,758.28

Finding the Fourth Proportional to 30,182.72, 41,657.14 and 16,758.28

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Solution

The fourth proportional to 30,182.72, 41,657.14 and 16,758.28 is: 23,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.72 : 41,657.14 = 16,758.28 : x
  2. Step 2: Convert to fraction form
    30,182.72/41,657.14 = 16,758.28/x
  3. Step 3: Cross multiply
    30,182.72x = 41,657.14 × 16,758.28
  4. Step 4: Simplify right side
    30,182.72x = 698,102,016.12
  5. Step 5: Solve for x
    x = 698,102,016.12/30,182.72
  6. Step 6: Final answer
    x = 23,129.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.