Home / 41,779.90-62,671.90-13,688.56

Finding the Fourth Proportional to 41,779.90, 62,671.90 and 13,688.56

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Solution

The fourth proportional to 41,779.90, 62,671.90 and 13,688.56 is: 20,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,779.90 : 62,671.90 = 13,688.56 : x
  2. Step 2: Convert to fraction form
    41,779.90/62,671.90 = 13,688.56/x
  3. Step 3: Cross multiply
    41,779.90x = 62,671.90 × 13,688.56
  4. Step 4: Simplify right side
    41,779.90x = 857,888,063.46
  5. Step 5: Solve for x
    x = 857,888,063.46/41,779.90
  6. Step 6: Final answer
    x = 20,533.51

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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.