Home / 37,518.60-51,768.18-20,748.36

Finding the Fourth Proportional to 37,518.60, 51,768.18 and 20,748.36

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Solution

The fourth proportional to 37,518.60, 51,768.18 and 20,748.36 is: 28,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518.60 : 51,768.18 = 20,748.36 : x
  2. Step 2: Convert to fraction form
    37,518.60/51,768.18 = 20,748.36/x
  3. Step 3: Cross multiply
    37,518.60x = 51,768.18 × 20,748.36
  4. Step 4: Simplify right side
    37,518.60x = 1,074,104,835.18
  5. Step 5: Solve for x
    x = 1,074,104,835.18/37,518.60
  6. Step 6: Final answer
    x = 28,628.60

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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.