Home / 51,556.32-77,335.20-14,620.32

Finding the Fourth Proportional to 51,556.32, 77,335.20 and 14,620.32

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Solution

The fourth proportional to 51,556.32, 77,335.20 and 14,620.32 is: 21,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,556.32 : 77,335.20 = 14,620.32 : x
  2. Step 2: Convert to fraction form
    51,556.32/77,335.20 = 14,620.32/x
  3. Step 3: Cross multiply
    51,556.32x = 77,335.20 × 14,620.32
  4. Step 4: Simplify right side
    51,556.32x = 1,130,665,371.26
  5. Step 5: Solve for x
    x = 1,130,665,371.26/51,556.32
  6. Step 6: Final answer
    x = 21,930.68

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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.