Home / 30,824.36-42,536.62-19,500.04

Finding the Fourth Proportional to 30,824.36, 42,536.62 and 19,500.04

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Solution

The fourth proportional to 30,824.36, 42,536.62 and 19,500.04 is: 26,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.36 : 42,536.62 = 19,500.04 : x
  2. Step 2: Convert to fraction form
    30,824.36/42,536.62 = 19,500.04/x
  3. Step 3: Cross multiply
    30,824.36x = 42,536.62 × 19,500.04
  4. Step 4: Simplify right side
    30,824.36x = 829,465,791.46
  5. Step 5: Solve for x
    x = 829,465,791.46/30,824.36
  6. Step 6: Final answer
    x = 26,909.42

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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.