Home / 37,703.08-52,028.20-20,935

Finding the Fourth Proportional to 37,703.08, 52,028.20 and 20,935

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Solution

The fourth proportional to 37,703.08, 52,028.20 and 20,935 is: 28,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,703.08 : 52,028.20 = 20,935 : x
  2. Step 2: Convert to fraction form
    37,703.08/52,028.20 = 20,935/x
  3. Step 3: Cross multiply
    37,703.08x = 52,028.20 × 20,935
  4. Step 4: Simplify right side
    37,703.08x = 1,089,210,367
  5. Step 5: Solve for x
    x = 1,089,210,367/37,703.08
  6. Step 6: Final answer
    x = 28,889.16

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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.