Home / 47,276.10-70,943.72-19,196.28

Finding the Fourth Proportional to 47,276.10, 70,943.72 and 19,196.28

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Solution

The fourth proportional to 47,276.10, 70,943.72 and 19,196.28 is: 28,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.10 : 70,943.72 = 19,196.28 : x
  2. Step 2: Convert to fraction form
    47,276.10/70,943.72 = 19,196.28/x
  3. Step 3: Cross multiply
    47,276.10x = 70,943.72 × 19,196.28
  4. Step 4: Simplify right side
    47,276.10x = 1,361,855,417.38
  5. Step 5: Solve for x
    x = 1,361,855,417.38/47,276.10
  6. Step 6: Final answer
    x = 28,806.42

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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.