Home / 37,150.80-51,172.20-30,411.60

Finding the Fourth Proportional to 37,150.80, 51,172.20 and 30,411.60

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Solution

The fourth proportional to 37,150.80, 51,172.20 and 30,411.60 is: 41,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,150.80 : 51,172.20 = 30,411.60 : x
  2. Step 2: Convert to fraction form
    37,150.80/51,172.20 = 30,411.60/x
  3. Step 3: Cross multiply
    37,150.80x = 51,172.20 × 30,411.60
  4. Step 4: Simplify right side
    37,150.80x = 1,556,228,477.52
  5. Step 5: Solve for x
    x = 1,556,228,477.52/37,150.80
  6. Step 6: Final answer
    x = 41,889.50

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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.