Home / 38,554.81-57,832.62-13,590.21

Finding the Fourth Proportional to 38,554.81, 57,832.62 and 13,590.21

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Solution

The fourth proportional to 38,554.81, 57,832.62 and 13,590.21 is: 20,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554.81 : 57,832.62 = 13,590.21 : x
  2. Step 2: Convert to fraction form
    38,554.81/57,832.62 = 13,590.21/x
  3. Step 3: Cross multiply
    38,554.81x = 57,832.62 × 13,590.21
  4. Step 4: Simplify right side
    38,554.81x = 785,957,450.65
  5. Step 5: Solve for x
    x = 785,957,450.65/38,554.81
  6. Step 6: Final answer
    x = 20,385.46

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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.