Home / 54,730.95-82,070.91-28,428.63

Finding the Fourth Proportional to 54,730.95, 82,070.91 and 28,428.63

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Solution

The fourth proportional to 54,730.95, 82,070.91 and 28,428.63 is: 42,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,730.95 : 82,070.91 = 28,428.63 : x
  2. Step 2: Convert to fraction form
    54,730.95/82,070.91 = 28,428.63/x
  3. Step 3: Cross multiply
    54,730.95x = 82,070.91 × 28,428.63
  4. Step 4: Simplify right side
    54,730.95x = 2,333,163,534.15
  5. Step 5: Solve for x
    x = 2,333,163,534.15/54,730.95
  6. Step 6: Final answer
    x = 42,629.69

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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.