Home / 37,644.12-51,947.58-20,878.68

Finding the Fourth Proportional to 37,644.12, 51,947.58 and 20,878.68

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Solution

The fourth proportional to 37,644.12, 51,947.58 and 20,878.68 is: 28,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,644.12 : 51,947.58 = 20,878.68 : x
  2. Step 2: Convert to fraction form
    37,644.12/51,947.58 = 20,878.68/x
  3. Step 3: Cross multiply
    37,644.12x = 51,947.58 × 20,878.68
  4. Step 4: Simplify right side
    37,644.12x = 1,084,596,899.59
  5. Step 5: Solve for x
    x = 1,084,596,899.59/37,644.12
  6. Step 6: Final answer
    x = 28,811.85

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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.