Home / 37,032.02-55,556.80-12,072.20

Finding the Fourth Proportional to 37,032.02, 55,556.80 and 12,072.20

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Solution

The fourth proportional to 37,032.02, 55,556.80 and 12,072.20 is: 18,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,032.02 : 55,556.80 = 12,072.20 : x
  2. Step 2: Convert to fraction form
    37,032.02/55,556.80 = 12,072.20/x
  3. Step 3: Cross multiply
    37,032.02x = 55,556.80 × 12,072.20
  4. Step 4: Simplify right side
    37,032.02x = 670,692,740.60
  5. Step 5: Solve for x
    x = 670,692,740.60/37,032.02
  6. Step 6: Final answer
    x = 18,111.16

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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.