Home / 47,807.16-71,721.81-16,215.54

Finding the Fourth Proportional to 47,807.16, 71,721.81 and 16,215.54

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Solution

The fourth proportional to 47,807.16, 71,721.81 and 16,215.54 is: 24,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,807.16 : 71,721.81 = 16,215.54 : x
  2. Step 2: Convert to fraction form
    47,807.16/71,721.81 = 16,215.54/x
  3. Step 3: Cross multiply
    47,807.16x = 71,721.81 × 16,215.54
  4. Step 4: Simplify right side
    47,807.16x = 1,163,007,878.93
  5. Step 5: Solve for x
    x = 1,163,007,878.93/47,807.16
  6. Step 6: Final answer
    x = 24,327.06

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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.