Home / 37,474.89-51,715.58-20,478.93

Finding the Fourth Proportional to 37,474.89, 51,715.58 and 20,478.93

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Solution

The fourth proportional to 37,474.89, 51,715.58 and 20,478.93 is: 28,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,474.89 : 51,715.58 = 20,478.93 : x
  2. Step 2: Convert to fraction form
    37,474.89/51,715.58 = 20,478.93/x
  3. Step 3: Cross multiply
    37,474.89x = 51,715.58 × 20,478.93
  4. Step 4: Simplify right side
    37,474.89x = 1,059,079,640.33
  5. Step 5: Solve for x
    x = 1,059,079,640.33/37,474.89
  6. Step 6: Final answer
    x = 28,261.05

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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.