Home / 35,546.02-53,321.86-20,756.43

Finding the Fourth Proportional to 35,546.02, 53,321.86 and 20,756.43

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Solution

The fourth proportional to 35,546.02, 53,321.86 and 20,756.43 is: 31,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,546.02 : 53,321.86 = 20,756.43 : x
  2. Step 2: Convert to fraction form
    35,546.02/53,321.86 = 20,756.43/x
  3. Step 3: Cross multiply
    35,546.02x = 53,321.86 × 20,756.43
  4. Step 4: Simplify right side
    35,546.02x = 1,106,771,454.56
  5. Step 5: Solve for x
    x = 1,106,771,454.56/35,546.02
  6. Step 6: Final answer
    x = 31,136.30

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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.