Home / 30,544.05-42,135.21-19,049.52

Finding the Fourth Proportional to 30,544.05, 42,135.21 and 19,049.52

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Solution

The fourth proportional to 30,544.05, 42,135.21 and 19,049.52 is: 26,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.05 : 42,135.21 = 19,049.52 : x
  2. Step 2: Convert to fraction form
    30,544.05/42,135.21 = 19,049.52/x
  3. Step 3: Cross multiply
    30,544.05x = 42,135.21 × 19,049.52
  4. Step 4: Simplify right side
    30,544.05x = 802,655,525.60
  5. Step 5: Solve for x
    x = 802,655,525.60/30,544.05
  6. Step 6: Final answer
    x = 26,278.62

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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.