Home / 30,146.33-45,223.14-16,120.37

Finding the Fourth Proportional to 30,146.33, 45,223.14 and 16,120.37

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Solution

The fourth proportional to 30,146.33, 45,223.14 and 16,120.37 is: 24,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.33 : 45,223.14 = 16,120.37 : x
  2. Step 2: Convert to fraction form
    30,146.33/45,223.14 = 16,120.37/x
  3. Step 3: Cross multiply
    30,146.33x = 45,223.14 × 16,120.37
  4. Step 4: Simplify right side
    30,146.33x = 729,013,532.48
  5. Step 5: Solve for x
    x = 729,013,532.48/30,146.33
  6. Step 6: Final answer
    x = 24,182.50

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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.