Home / 37,762.64-52,111.56-20,997.20

Finding the Fourth Proportional to 37,762.64, 52,111.56 and 20,997.20

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Solution

The fourth proportional to 37,762.64, 52,111.56 and 20,997.20 is: 28,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,762.64 : 52,111.56 = 20,997.20 : x
  2. Step 2: Convert to fraction form
    37,762.64/52,111.56 = 20,997.20/x
  3. Step 3: Cross multiply
    37,762.64x = 52,111.56 × 20,997.20
  4. Step 4: Simplify right side
    37,762.64x = 1,094,196,847.63
  5. Step 5: Solve for x
    x = 1,094,196,847.63/37,762.64
  6. Step 6: Final answer
    x = 28,975.64

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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.