Home / 51,394.90-77,097.64-19,400.92

Finding the Fourth Proportional to 51,394.90, 77,097.64 and 19,400.92

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Solution

The fourth proportional to 51,394.90, 77,097.64 and 19,400.92 is: 29,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,394.90 : 77,097.64 = 19,400.92 : x
  2. Step 2: Convert to fraction form
    51,394.90/77,097.64 = 19,400.92/x
  3. Step 3: Cross multiply
    51,394.90x = 77,097.64 × 19,400.92
  4. Step 4: Simplify right side
    51,394.90x = 1,495,765,145.83
  5. Step 5: Solve for x
    x = 1,495,765,145.83/51,394.90
  6. Step 6: Final answer
    x = 29,103.38

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1.5x scale

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.