Home / 83,502.09-125,252.08-20,322.32

Finding the Fourth Proportional to 83,502.09, 125,252.08 and 20,322.32

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Solution

The fourth proportional to 83,502.09, 125,252.08 and 20,322.32 is: 30,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,502.09 : 125,252.08 = 20,322.32 : x
  2. Step 2: Convert to fraction form
    83,502.09/125,252.08 = 20,322.32/x
  3. Step 3: Cross multiply
    83,502.09x = 125,252.08 × 20,322.32
  4. Step 4: Simplify right side
    83,502.09x = 2,545,412,850.43
  5. Step 5: Solve for x
    x = 2,545,412,850.43/83,502.09
  6. Step 6: Final answer
    x = 30,483.22

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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.