Home / 43,310.10-64,959.38-13,730.93

Finding the Fourth Proportional to 43,310.10, 64,959.38 and 13,730.93

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Solution

The fourth proportional to 43,310.10, 64,959.38 and 13,730.93 is: 20,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,310.10 : 64,959.38 = 13,730.93 : x
  2. Step 2: Convert to fraction form
    43,310.10/64,959.38 = 13,730.93/x
  3. Step 3: Cross multiply
    43,310.10x = 64,959.38 × 13,730.93
  4. Step 4: Simplify right side
    43,310.10x = 891,952,306.17
  5. Step 5: Solve for x
    x = 891,952,306.17/43,310.10
  6. Step 6: Final answer
    x = 20,594.56

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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.