Home / 37,412.08-51,629.22-20,417.20

Finding the Fourth Proportional to 37,412.08, 51,629.22 and 20,417.20

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Solution

The fourth proportional to 37,412.08, 51,629.22 and 20,417.20 is: 28,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.08 : 51,629.22 = 20,417.20 : x
  2. Step 2: Convert to fraction form
    37,412.08/51,629.22 = 20,417.20/x
  3. Step 3: Cross multiply
    37,412.08x = 51,629.22 × 20,417.20
  4. Step 4: Simplify right side
    37,412.08x = 1,054,124,110.58
  5. Step 5: Solve for x
    x = 1,054,124,110.58/37,412.08
  6. Step 6: Final answer
    x = 28,176.04

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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.