Home / 47,257.64-70,898.60-13,976.36

Finding the Fourth Proportional to 47,257.64, 70,898.60 and 13,976.36

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Solution

The fourth proportional to 47,257.64, 70,898.60 and 13,976.36 is: 20,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,257.64 : 70,898.60 = 13,976.36 : x
  2. Step 2: Convert to fraction form
    47,257.64/70,898.60 = 13,976.36/x
  3. Step 3: Cross multiply
    47,257.64x = 70,898.60 × 13,976.36
  4. Step 4: Simplify right side
    47,257.64x = 990,904,357.10
  5. Step 5: Solve for x
    x = 990,904,357.10/47,257.64
  6. Step 6: Final answer
    x = 20,968.13

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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.