Home / 35,808.13-49,419.75-21,660.94

Finding the Fourth Proportional to 35,808.13, 49,419.75 and 21,660.94

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Solution

The fourth proportional to 35,808.13, 49,419.75 and 21,660.94 is: 29,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,808.13 : 49,419.75 = 21,660.94 : x
  2. Step 2: Convert to fraction form
    35,808.13/49,419.75 = 21,660.94/x
  3. Step 3: Cross multiply
    35,808.13x = 49,419.75 × 21,660.94
  4. Step 4: Simplify right side
    35,808.13x = 1,070,478,239.57
  5. Step 5: Solve for x
    x = 1,070,478,239.57/35,808.13
  6. Step 6: Final answer
    x = 29,894.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.