Home / 37,407.75-51,623.78-20,641.83

Finding the Fourth Proportional to 37,407.75, 51,623.78 and 20,641.83

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Solution

The fourth proportional to 37,407.75, 51,623.78 and 20,641.83 is: 28,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,407.75 : 51,623.78 = 20,641.83 : x
  2. Step 2: Convert to fraction form
    37,407.75/51,623.78 = 20,641.83/x
  3. Step 3: Cross multiply
    37,407.75x = 51,623.78 × 20,641.83
  4. Step 4: Simplify right side
    37,407.75x = 1,065,609,290.72
  5. Step 5: Solve for x
    x = 1,065,609,290.72/37,407.75
  6. Step 6: Final answer
    x = 28,486.32

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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.