Home / 54,772.80-82,156.13-19,235.76

Finding the Fourth Proportional to 54,772.80, 82,156.13 and 19,235.76

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Solution

The fourth proportional to 54,772.80, 82,156.13 and 19,235.76 is: 28,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.80 : 82,156.13 = 19,235.76 : x
  2. Step 2: Convert to fraction form
    54,772.80/82,156.13 = 19,235.76/x
  3. Step 3: Cross multiply
    54,772.80x = 82,156.13 × 19,235.76
  4. Step 4: Simplify right side
    54,772.80x = 1,580,335,575.16
  5. Step 5: Solve for x
    x = 1,580,335,575.16/54,772.80
  6. Step 6: Final answer
    x = 28,852.56

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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.