Home / 30,544.56-42,151.64-19,927.92

Finding the Fourth Proportional to 30,544.56, 42,151.64 and 19,927.92

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Solution

The fourth proportional to 30,544.56, 42,151.64 and 19,927.92 is: 27,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.56 : 42,151.64 = 19,927.92 : x
  2. Step 2: Convert to fraction form
    30,544.56/42,151.64 = 19,927.92/x
  3. Step 3: Cross multiply
    30,544.56x = 42,151.64 × 19,927.92
  4. Step 4: Simplify right side
    30,544.56x = 839,994,509.79
  5. Step 5: Solve for x
    x = 839,994,509.79/30,544.56
  6. Step 6: Final answer
    x = 27,500.63

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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.