Home / 54,731.95-82,072.41-28,429.63

Finding the Fourth Proportional to 54,731.95, 82,072.41 and 28,429.63

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Solution

The fourth proportional to 54,731.95, 82,072.41 and 28,429.63 is: 42,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.95 : 82,072.41 = 28,429.63 : x
  2. Step 2: Convert to fraction form
    54,731.95/82,072.41 = 28,429.63/x
  3. Step 3: Cross multiply
    54,731.95x = 82,072.41 × 28,429.63
  4. Step 4: Simplify right side
    54,731.95x = 2,333,288,249.51
  5. Step 5: Solve for x
    x = 2,333,288,249.51/54,731.95
  6. Step 6: Final answer
    x = 42,631.19

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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.