Home / 37,531.20-51,791.76-20,763.12

Finding the Fourth Proportional to 37,531.20, 51,791.76 and 20,763.12

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Solution

The fourth proportional to 37,531.20, 51,791.76 and 20,763.12 is: 28,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,531.20 : 51,791.76 = 20,763.12 : x
  2. Step 2: Convert to fraction form
    37,531.20/51,791.76 = 20,763.12/x
  3. Step 3: Cross multiply
    37,531.20x = 51,791.76 × 20,763.12
  4. Step 4: Simplify right side
    37,531.20x = 1,075,358,527.89
  5. Step 5: Solve for x
    x = 1,075,358,527.89/37,531.20
  6. Step 6: Final answer
    x = 28,652.39

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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.