Home / 37,409.64-51,621.66-20,641.56

Finding the Fourth Proportional to 37,409.64, 51,621.66 and 20,641.56

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Solution

The fourth proportional to 37,409.64, 51,621.66 and 20,641.56 is: 28,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,409.64 : 51,621.66 = 20,641.56 : x
  2. Step 2: Convert to fraction form
    37,409.64/51,621.66 = 20,641.56/x
  3. Step 3: Cross multiply
    37,409.64x = 51,621.66 × 20,641.56
  4. Step 4: Simplify right side
    37,409.64x = 1,065,551,592.19
  5. Step 5: Solve for x
    x = 1,065,551,592.19/37,409.64
  6. Step 6: Final answer
    x = 28,483.34

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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.