Home / 37,143.65-51,257.32-20,790.63

Finding the Fourth Proportional to 37,143.65, 51,257.32 and 20,790.63

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Solution

The fourth proportional to 37,143.65, 51,257.32 and 20,790.63 is: 28,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.65 : 51,257.32 = 20,790.63 : x
  2. Step 2: Convert to fraction form
    37,143.65/51,257.32 = 20,790.63/x
  3. Step 3: Cross multiply
    37,143.65x = 51,257.32 × 20,790.63
  4. Step 4: Simplify right side
    37,143.65x = 1,065,671,922.94
  5. Step 5: Solve for x
    x = 1,065,671,922.94/37,143.65
  6. Step 6: Final answer
    x = 28,690.55

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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.