Home / 47,256.47-70,897.84-20,604.79

Finding the Fourth Proportional to 47,256.47, 70,897.84 and 20,604.79

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Solution

The fourth proportional to 47,256.47, 70,897.84 and 20,604.79 is: 30,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,256.47 : 70,897.84 = 20,604.79 : x
  2. Step 2: Convert to fraction form
    47,256.47/70,897.84 = 20,604.79/x
  3. Step 3: Cross multiply
    47,256.47x = 70,897.84 × 20,604.79
  4. Step 4: Simplify right side
    47,256.47x = 1,460,835,104.65
  5. Step 5: Solve for x
    x = 1,460,835,104.65/47,256.47
  6. Step 6: Final answer
    x = 30,912.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.