Home / 37,507.79-51,759.96-20,511.84

Finding the Fourth Proportional to 37,507.79, 51,759.96 and 20,511.84

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Solution

The fourth proportional to 37,507.79, 51,759.96 and 20,511.84 is: 28,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,507.79 : 51,759.96 = 20,511.84 : x
  2. Step 2: Convert to fraction form
    37,507.79/51,759.96 = 20,511.84/x
  3. Step 3: Cross multiply
    37,507.79x = 51,759.96 × 20,511.84
  4. Step 4: Simplify right side
    37,507.79x = 1,061,692,017.93
  5. Step 5: Solve for x
    x = 1,061,692,017.93/37,507.79
  6. Step 6: Final answer
    x = 28,305.91

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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.