Home / 55,334.80-82,981.84-19,786.52

Finding the Fourth Proportional to 55,334.80, 82,981.84 and 19,786.52

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Solution

The fourth proportional to 55,334.80, 82,981.84 and 19,786.52 is: 29,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334.80 : 82,981.84 = 19,786.52 : x
  2. Step 2: Convert to fraction form
    55,334.80/82,981.84 = 19,786.52/x
  3. Step 3: Cross multiply
    55,334.80x = 82,981.84 × 19,786.52
  4. Step 4: Simplify right side
    55,334.80x = 1,641,921,836.80
  5. Step 5: Solve for x
    x = 1,641,921,836.80/55,334.80
  6. Step 6: Final answer
    x = 29,672.50

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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.