Home / 36,201.99-54,303.02-20,586.81

Finding the Fourth Proportional to 36,201.99, 54,303.02 and 20,586.81

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Solution

The fourth proportional to 36,201.99, 54,303.02 and 20,586.81 is: 30,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.99 : 54,303.02 = 20,586.81 : x
  2. Step 2: Convert to fraction form
    36,201.99/54,303.02 = 20,586.81/x
  3. Step 3: Cross multiply
    36,201.99x = 54,303.02 × 20,586.81
  4. Step 4: Simplify right side
    36,201.99x = 1,117,925,955.17
  5. Step 5: Solve for x
    x = 1,117,925,955.17/36,201.99
  6. Step 6: Final answer
    x = 30,880.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.