Home / 83,646.36-125,467.92-21,317.04

Finding the Fourth Proportional to 83,646.36, 125,467.92 and 21,317.04

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Solution

The fourth proportional to 83,646.36, 125,467.92 and 21,317.04 is: 31,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,646.36 : 125,467.92 = 21,317.04 : x
  2. Step 2: Convert to fraction form
    83,646.36/125,467.92 = 21,317.04/x
  3. Step 3: Cross multiply
    83,646.36x = 125,467.92 × 21,317.04
  4. Step 4: Simplify right side
    83,646.36x = 2,674,604,669.36
  5. Step 5: Solve for x
    x = 2,674,604,669.36/83,646.36
  6. Step 6: Final answer
    x = 31,975.15

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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.