Home / 51,057.54-70,454.00-28,392.86

Finding the Fourth Proportional to 51,057.54, 70,454.00 and 28,392.86

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Solution

The fourth proportional to 51,057.54, 70,454.00 and 28,392.86 is: 39,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,057.54 : 70,454.00 = 28,392.86 : x
  2. Step 2: Convert to fraction form
    51,057.54/70,454.00 = 28,392.86/x
  3. Step 3: Cross multiply
    51,057.54x = 70,454.00 × 28,392.86
  4. Step 4: Simplify right side
    51,057.54x = 2,000,390,699.08
  5. Step 5: Solve for x
    x = 2,000,390,699.08/51,057.54
  6. Step 6: Final answer
    x = 39,179.15

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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.