Home / 51,310.26-70,801.08-28,646.60

Finding the Fourth Proportional to 51,310.26, 70,801.08 and 28,646.60

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Solution

The fourth proportional to 51,310.26, 70,801.08 and 28,646.60 is: 39,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.26 : 70,801.08 = 28,646.60 : x
  2. Step 2: Convert to fraction form
    51,310.26/70,801.08 = 28,646.60/x
  3. Step 3: Cross multiply
    51,310.26x = 70,801.08 × 28,646.60
  4. Step 4: Simplify right side
    51,310.26x = 2,028,209,864.32
  5. Step 5: Solve for x
    x = 2,028,209,864.32/51,310.26
  6. Step 6: Final answer
    x = 39,528.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.