Home / 47,021.74-70,532.88-18,954.70

Finding the Fourth Proportional to 47,021.74, 70,532.88 and 18,954.70

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Solution

The fourth proportional to 47,021.74, 70,532.88 and 18,954.70 is: 28,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,021.74 : 70,532.88 = 18,954.70 : x
  2. Step 2: Convert to fraction form
    47,021.74/70,532.88 = 18,954.70/x
  3. Step 3: Cross multiply
    47,021.74x = 70,532.88 × 18,954.70
  4. Step 4: Simplify right side
    47,021.74x = 1,336,929,580.54
  5. Step 5: Solve for x
    x = 1,336,929,580.54/47,021.74
  6. Step 6: Final answer
    x = 28,432.16

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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.