Home / 57,780.72-86,633.67-37,999.29

Finding the Fourth Proportional to 57,780.72, 86,633.67 and 37,999.29

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Solution

The fourth proportional to 57,780.72, 86,633.67 and 37,999.29 is: 56,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780.72 : 86,633.67 = 37,999.29 : x
  2. Step 2: Convert to fraction form
    57,780.72/86,633.67 = 37,999.29/x
  3. Step 3: Cross multiply
    57,780.72x = 86,633.67 × 37,999.29
  4. Step 4: Simplify right side
    57,780.72x = 3,292,017,950.09
  5. Step 5: Solve for x
    x = 3,292,017,950.09/57,780.72
  6. Step 6: Final answer
    x = 56,974.33

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1.5x scale

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.