Home / 64,631-96,945.78-25,215.80

Finding the Fourth Proportional to 64,631, 96,945.78 and 25,215.80

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Solution

The fourth proportional to 64,631, 96,945.78 and 25,215.80 is: 37,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,631 : 96,945.78 = 25,215.80 : x
  2. Step 2: Convert to fraction form
    64,631/96,945.78 = 25,215.80/x
  3. Step 3: Cross multiply
    64,631x = 96,945.78 × 25,215.80
  4. Step 4: Simplify right side
    64,631x = 2,444,564,788.52
  5. Step 5: Solve for x
    x = 2,444,564,788.52/64,631
  6. Step 6: Final answer
    x = 37,823.41

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1.5x scale

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.