Home / 37,231.35-51,379.38-21,315.93

Finding the Fourth Proportional to 37,231.35, 51,379.38 and 21,315.93

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Solution

The fourth proportional to 37,231.35, 51,379.38 and 21,315.93 is: 29,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.35 : 51,379.38 = 21,315.93 : x
  2. Step 2: Convert to fraction form
    37,231.35/51,379.38 = 21,315.93/x
  3. Step 3: Cross multiply
    37,231.35x = 51,379.38 × 21,315.93
  4. Step 4: Simplify right side
    37,231.35x = 1,095,199,267.52
  5. Step 5: Solve for x
    x = 1,095,199,267.52/37,231.35
  6. Step 6: Final answer
    x = 29,416.05

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1.5x scale

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.