Home / 30,672.20-45,784.46-26,317.64

Finding the Fourth Proportional to 30,672.20, 45,784.46 and 26,317.64

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Solution

The fourth proportional to 30,672.20, 45,784.46 and 26,317.64 is: 39,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.20 : 45,784.46 = 26,317.64 : x
  2. Step 2: Convert to fraction form
    30,672.20/45,784.46 = 26,317.64/x
  3. Step 3: Cross multiply
    30,672.20x = 45,784.46 × 26,317.64
  4. Step 4: Simplify right side
    30,672.20x = 1,204,938,935.87
  5. Step 5: Solve for x
    x = 1,204,938,935.87/30,672.20
  6. Step 6: Final answer
    x = 39,284.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.