Home / 35,865.67-53,813.45-19,221.43

Finding the Fourth Proportional to 35,865.67, 53,813.45 and 19,221.43

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Solution

The fourth proportional to 35,865.67, 53,813.45 and 19,221.43 is: 28,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,865.67 : 53,813.45 = 19,221.43 : x
  2. Step 2: Convert to fraction form
    35,865.67/53,813.45 = 19,221.43/x
  3. Step 3: Cross multiply
    35,865.67x = 53,813.45 × 19,221.43
  4. Step 4: Simplify right side
    35,865.67x = 1,034,371,462.23
  5. Step 5: Solve for x
    x = 1,034,371,462.23/35,865.67
  6. Step 6: Final answer
    x = 28,840.15

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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.