Home / 37,431.93-51,653.85-20,432.79

Finding the Fourth Proportional to 37,431.93, 51,653.85 and 20,432.79

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Solution

The fourth proportional to 37,431.93, 51,653.85 and 20,432.79 is: 28,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.93 : 51,653.85 = 20,432.79 : x
  2. Step 2: Convert to fraction form
    37,431.93/51,653.85 = 20,432.79/x
  3. Step 3: Cross multiply
    37,431.93x = 51,653.85 × 20,432.79
  4. Step 4: Simplify right side
    37,431.93x = 1,055,432,269.74
  5. Step 5: Solve for x
    x = 1,055,432,269.74/37,431.93
  6. Step 6: Final answer
    x = 28,196.04

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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.