Home / 37,221.84-51,365.88-20,455.20

Finding the Fourth Proportional to 37,221.84, 51,365.88 and 20,455.20

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Solution

The fourth proportional to 37,221.84, 51,365.88 and 20,455.20 is: 28,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.84 : 51,365.88 = 20,455.20 : x
  2. Step 2: Convert to fraction form
    37,221.84/51,365.88 = 20,455.20/x
  3. Step 3: Cross multiply
    37,221.84x = 51,365.88 × 20,455.20
  4. Step 4: Simplify right side
    37,221.84x = 1,050,699,348.58
  5. Step 5: Solve for x
    x = 1,050,699,348.58/37,221.84
  6. Step 6: Final answer
    x = 28,228.03

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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.