Home / 47,639.90-71,462.64-16,047.32

Finding the Fourth Proportional to 47,639.90, 71,462.64 and 16,047.32

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Solution

The fourth proportional to 47,639.90, 71,462.64 and 16,047.32 is: 24,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.90 : 71,462.64 = 16,047.32 : x
  2. Step 2: Convert to fraction form
    47,639.90/71,462.64 = 16,047.32/x
  3. Step 3: Cross multiply
    47,639.90x = 71,462.64 × 16,047.32
  4. Step 4: Simplify right side
    47,639.90x = 1,146,783,852.12
  5. Step 5: Solve for x
    x = 1,146,783,852.12/47,639.90
  6. Step 6: Final answer
    x = 24,071.92

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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.