Home / 37,415.20-51,633.26-20,419.58

Finding the Fourth Proportional to 37,415.20, 51,633.26 and 20,419.58

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Solution

The fourth proportional to 37,415.20, 51,633.26 and 20,419.58 is: 28,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.20 : 51,633.26 = 20,419.58 : x
  2. Step 2: Convert to fraction form
    37,415.20/51,633.26 = 20,419.58/x
  3. Step 3: Cross multiply
    37,415.20x = 51,633.26 × 20,419.58
  4. Step 4: Simplify right side
    37,415.20x = 1,054,329,483.23
  5. Step 5: Solve for x
    x = 1,054,329,483.23/37,415.20
  6. Step 6: Final answer
    x = 28,179.18

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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.