Home / 52,653.22-72,661.41-28,779.89

Finding the Fourth Proportional to 52,653.22, 72,661.41 and 28,779.89

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Solution

The fourth proportional to 52,653.22, 72,661.41 and 28,779.89 is: 39,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.22 : 72,661.41 = 28,779.89 : x
  2. Step 2: Convert to fraction form
    52,653.22/72,661.41 = 28,779.89/x
  3. Step 3: Cross multiply
    52,653.22x = 72,661.41 × 28,779.89
  4. Step 4: Simplify right side
    52,653.22x = 2,091,187,023.74
  5. Step 5: Solve for x
    x = 2,091,187,023.74/52,653.22
  6. Step 6: Final answer
    x = 39,716.22

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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.