Home / 30,342.74-41,870.94-19,011.92

Finding the Fourth Proportional to 30,342.74, 41,870.94 and 19,011.92

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Solution

The fourth proportional to 30,342.74, 41,870.94 and 19,011.92 is: 26,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.74 : 41,870.94 = 19,011.92 : x
  2. Step 2: Convert to fraction form
    30,342.74/41,870.94 = 19,011.92/x
  3. Step 3: Cross multiply
    30,342.74x = 41,870.94 × 19,011.92
  4. Step 4: Simplify right side
    30,342.74x = 796,046,961.60
  5. Step 5: Solve for x
    x = 796,046,961.60/30,342.74
  6. Step 6: Final answer
    x = 26,235.17

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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.