Home / 35,855.18-53,696.64-20,021.30

Finding the Fourth Proportional to 35,855.18, 53,696.64 and 20,021.30

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Solution

The fourth proportional to 35,855.18, 53,696.64 and 20,021.30 is: 29,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.18 : 53,696.64 = 20,021.30 : x
  2. Step 2: Convert to fraction form
    35,855.18/53,696.64 = 20,021.30/x
  3. Step 3: Cross multiply
    35,855.18x = 53,696.64 × 20,021.30
  4. Step 4: Simplify right side
    35,855.18x = 1,075,076,538.43
  5. Step 5: Solve for x
    x = 1,075,076,538.43/35,855.18
  6. Step 6: Final answer
    x = 29,983.86

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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.