Home / 46,787.76-70,205.10-21,829.80

Finding the Fourth Proportional to 46,787.76, 70,205.10 and 21,829.80

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Solution

The fourth proportional to 46,787.76, 70,205.10 and 21,829.80 is: 32,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,787.76 : 70,205.10 = 21,829.80 : x
  2. Step 2: Convert to fraction form
    46,787.76/70,205.10 = 21,829.80/x
  3. Step 3: Cross multiply
    46,787.76x = 70,205.10 × 21,829.80
  4. Step 4: Simplify right side
    46,787.76x = 1,532,563,291.98
  5. Step 5: Solve for x
    x = 1,532,563,291.98/46,787.76
  6. Step 6: Final answer
    x = 32,755.65

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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.