Home / 71,698.91-98,946.63-39,869.82

Finding the Fourth Proportional to 71,698.91, 98,946.63 and 39,869.82

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Solution

The fourth proportional to 71,698.91, 98,946.63 and 39,869.82 is: 55,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,698.91 : 98,946.63 = 39,869.82 : x
  2. Step 2: Convert to fraction form
    71,698.91/98,946.63 = 39,869.82/x
  3. Step 3: Cross multiply
    71,698.91x = 98,946.63 × 39,869.82
  4. Step 4: Simplify right side
    71,698.91x = 3,944,984,327.71
  5. Step 5: Solve for x
    x = 3,944,984,327.71/71,698.91
  6. Step 6: Final answer
    x = 55,021.54

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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.