Home / 47,098.63-64,981.44-28,930.30

Finding the Fourth Proportional to 47,098.63, 64,981.44 and 28,930.30

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Solution

The fourth proportional to 47,098.63, 64,981.44 and 28,930.30 is: 39,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,098.63 : 64,981.44 = 28,930.30 : x
  2. Step 2: Convert to fraction form
    47,098.63/64,981.44 = 28,930.30/x
  3. Step 3: Cross multiply
    47,098.63x = 64,981.44 × 28,930.30
  4. Step 4: Simplify right side
    47,098.63x = 1,879,932,228.72
  5. Step 5: Solve for x
    x = 1,879,932,228.72/47,098.63
  6. Step 6: Final answer
    x = 39,914.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.