Home / 37,176.68-51,303.18-20,409.56

Finding the Fourth Proportional to 37,176.68, 51,303.18 and 20,409.56

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Solution

The fourth proportional to 37,176.68, 51,303.18 and 20,409.56 is: 28,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,176.68 : 51,303.18 = 20,409.56 : x
  2. Step 2: Convert to fraction form
    37,176.68/51,303.18 = 20,409.56/x
  3. Step 3: Cross multiply
    37,176.68x = 51,303.18 × 20,409.56
  4. Step 4: Simplify right side
    37,176.68x = 1,047,075,330.40
  5. Step 5: Solve for x
    x = 1,047,075,330.40/37,176.68
  6. Step 6: Final answer
    x = 28,164.84

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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.