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Finding the Fourth Proportional to 37,300.80, 51,479.50 and 20,950.71

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Solution

The fourth proportional to 37,300.80, 51,479.50 and 20,950.71 is: 28,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,300.80 : 51,479.50 = 20,950.71 : x
  2. Step 2: Convert to fraction form
    37,300.80/51,479.50 = 20,950.71/x
  3. Step 3: Cross multiply
    37,300.80x = 51,479.50 × 20,950.71
  4. Step 4: Simplify right side
    37,300.80x = 1,078,532,075.45
  5. Step 5: Solve for x
    x = 1,078,532,075.45/37,300.80
  6. Step 6: Final answer
    x = 28,914.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.