Home / 37,674.76-51,990.95-20,678.57

Finding the Fourth Proportional to 37,674.76, 51,990.95 and 20,678.57

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Solution

The fourth proportional to 37,674.76, 51,990.95 and 20,678.57 is: 28,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.76 : 51,990.95 = 20,678.57 : x
  2. Step 2: Convert to fraction form
    37,674.76/51,990.95 = 20,678.57/x
  3. Step 3: Cross multiply
    37,674.76x = 51,990.95 × 20,678.57
  4. Step 4: Simplify right side
    37,674.76x = 1,075,098,395.55
  5. Step 5: Solve for x
    x = 1,075,098,395.55/37,674.76
  6. Step 6: Final answer
    x = 28,536.31

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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.