Home / 47,201.38-70,801.74-19,121.02

Finding the Fourth Proportional to 47,201.38, 70,801.74 and 19,121.02

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Solution

The fourth proportional to 47,201.38, 70,801.74 and 19,121.02 is: 28,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.38 : 70,801.74 = 19,121.02 : x
  2. Step 2: Convert to fraction form
    47,201.38/70,801.74 = 19,121.02/x
  3. Step 3: Cross multiply
    47,201.38x = 70,801.74 × 19,121.02
  4. Step 4: Simplify right side
    47,201.38x = 1,353,801,486.57
  5. Step 5: Solve for x
    x = 1,353,801,486.57/47,201.38
  6. Step 6: Final answer
    x = 28,681.40

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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.