Home / 53,020.30-73,169.41-28,822.89

Finding the Fourth Proportional to 53,020.30, 73,169.41 and 28,822.89

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Solution

The fourth proportional to 53,020.30, 73,169.41 and 28,822.89 is: 39,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.30 : 73,169.41 = 28,822.89 : x
  2. Step 2: Convert to fraction form
    53,020.30/73,169.41 = 28,822.89/x
  3. Step 3: Cross multiply
    53,020.30x = 73,169.41 × 28,822.89
  4. Step 4: Simplify right side
    53,020.30x = 2,108,953,700.59
  5. Step 5: Solve for x
    x = 2,108,953,700.59/53,020.30
  6. Step 6: Final answer
    x = 39,776.35

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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.