Home / 35,872.63-53,734.83-21,036.87

Finding the Fourth Proportional to 35,872.63, 53,734.83 and 21,036.87

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Solution

The fourth proportional to 35,872.63, 53,734.83 and 21,036.87 is: 31,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872.63 : 53,734.83 = 21,036.87 : x
  2. Step 2: Convert to fraction form
    35,872.63/53,734.83 = 21,036.87/x
  3. Step 3: Cross multiply
    35,872.63x = 53,734.83 × 21,036.87
  4. Step 4: Simplify right side
    35,872.63x = 1,130,412,633.18
  5. Step 5: Solve for x
    x = 1,130,412,633.18/35,872.63
  6. Step 6: Final answer
    x = 31,511.84

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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.