Home / 36,829.79-50,822.71-21,718.99

Finding the Fourth Proportional to 36,829.79, 50,822.71 and 21,718.99

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Solution

The fourth proportional to 36,829.79, 50,822.71 and 21,718.99 is: 29,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,829.79 : 50,822.71 = 21,718.99 : x
  2. Step 2: Convert to fraction form
    36,829.79/50,822.71 = 21,718.99/x
  3. Step 3: Cross multiply
    36,829.79x = 50,822.71 × 21,718.99
  4. Step 4: Simplify right side
    36,829.79x = 1,103,817,930.26
  5. Step 5: Solve for x
    x = 1,103,817,930.26/36,829.79
  6. Step 6: Final answer
    x = 29,970.79

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1.5x scale

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.