Home / 51,957.22-77,929.35-20,792.74

Finding the Fourth Proportional to 51,957.22, 77,929.35 and 20,792.74

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Solution

The fourth proportional to 51,957.22, 77,929.35 and 20,792.74 is: 31,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,957.22 : 77,929.35 = 20,792.74 : x
  2. Step 2: Convert to fraction form
    51,957.22/77,929.35 = 20,792.74/x
  3. Step 3: Cross multiply
    51,957.22x = 77,929.35 × 20,792.74
  4. Step 4: Simplify right side
    51,957.22x = 1,620,364,712.92
  5. Step 5: Solve for x
    x = 1,620,364,712.92/51,957.22
  6. Step 6: Final answer
    x = 31,186.52

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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.