Home / 37,085.80-51,177.54-20,318.44

Finding the Fourth Proportional to 37,085.80, 51,177.54 and 20,318.44

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Solution

The fourth proportional to 37,085.80, 51,177.54 and 20,318.44 is: 28,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,085.80 : 51,177.54 = 20,318.44 : x
  2. Step 2: Convert to fraction form
    37,085.80/51,177.54 = 20,318.44/x
  3. Step 3: Cross multiply
    37,085.80x = 51,177.54 × 20,318.44
  4. Step 4: Simplify right side
    37,085.80x = 1,039,847,775.84
  5. Step 5: Solve for x
    x = 1,039,847,775.84/37,085.80
  6. Step 6: Final answer
    x = 28,038.97

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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.