Home / 37,530.55-51,791.78-20,763.67

Finding the Fourth Proportional to 37,530.55, 51,791.78 and 20,763.67

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Solution

The fourth proportional to 37,530.55, 51,791.78 and 20,763.67 is: 28,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,530.55 : 51,791.78 = 20,763.67 : x
  2. Step 2: Convert to fraction form
    37,530.55/51,791.78 = 20,763.67/x
  3. Step 3: Cross multiply
    37,530.55x = 51,791.78 × 20,763.67
  4. Step 4: Simplify right side
    37,530.55x = 1,075,387,324.81
  5. Step 5: Solve for x
    x = 1,075,387,324.81/37,530.55
  6. Step 6: Final answer
    x = 28,653.65

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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.