Home / 35,811.06-53,669.88-20,015.45

Finding the Fourth Proportional to 35,811.06, 53,669.88 and 20,015.45

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Solution

The fourth proportional to 35,811.06, 53,669.88 and 20,015.45 is: 29,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.06 : 53,669.88 = 20,015.45 : x
  2. Step 2: Convert to fraction form
    35,811.06/53,669.88 = 20,015.45/x
  3. Step 3: Cross multiply
    35,811.06x = 53,669.88 × 20,015.45
  4. Step 4: Simplify right side
    35,811.06x = 1,074,226,799.65
  5. Step 5: Solve for x
    x = 1,074,226,799.65/35,811.06
  6. Step 6: Final answer
    x = 29,997.07

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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.