Home / 54,730.83-82,070.72-28,428.51

Finding the Fourth Proportional to 54,730.83, 82,070.72 and 28,428.51

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Solution

The fourth proportional to 54,730.83, 82,070.72 and 28,428.51 is: 42,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,730.83 : 82,070.72 = 28,428.51 : x
  2. Step 2: Convert to fraction form
    54,730.83/82,070.72 = 28,428.51/x
  3. Step 3: Cross multiply
    54,730.83x = 82,070.72 × 28,428.51
  4. Step 4: Simplify right side
    54,730.83x = 2,333,148,284.23
  5. Step 5: Solve for x
    x = 2,333,148,284.23/54,730.83
  6. Step 6: Final answer
    x = 42,629.51

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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.