Home / 46,921.56-70,392.96-15,756

Finding the Fourth Proportional to 46,921.56, 70,392.96 and 15,756

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Solution

The fourth proportional to 46,921.56, 70,392.96 and 15,756 is: 23,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,921.56 : 70,392.96 = 15,756 : x
  2. Step 2: Convert to fraction form
    46,921.56/70,392.96 = 15,756/x
  3. Step 3: Cross multiply
    46,921.56x = 70,392.96 × 15,756
  4. Step 4: Simplify right side
    46,921.56x = 1,109,111,477.76
  5. Step 5: Solve for x
    x = 1,109,111,477.76/46,921.56
  6. Step 6: Final answer
    x = 23,637.57

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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.