Home / 51,580.25-71,186.64-28,925.36

Finding the Fourth Proportional to 51,580.25, 71,186.64 and 28,925.36

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Solution

The fourth proportional to 51,580.25, 71,186.64 and 28,925.36 is: 39,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580.25 : 71,186.64 = 28,925.36 : x
  2. Step 2: Convert to fraction form
    51,580.25/71,186.64 = 28,925.36/x
  3. Step 3: Cross multiply
    51,580.25x = 71,186.64 × 28,925.36
  4. Step 4: Simplify right side
    51,580.25x = 2,059,099,189.19
  5. Step 5: Solve for x
    x = 2,059,099,189.19/51,580.25
  6. Step 6: Final answer
    x = 39,920.30

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1.5x scale

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.