Home / 32,520.98-44,900.46-21,779.61

Finding the Fourth Proportional to 32,520.98, 44,900.46 and 21,779.61

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Solution

The fourth proportional to 32,520.98, 44,900.46 and 21,779.61 is: 30,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,520.98 : 44,900.46 = 21,779.61 : x
  2. Step 2: Convert to fraction form
    32,520.98/44,900.46 = 21,779.61/x
  3. Step 3: Cross multiply
    32,520.98x = 44,900.46 × 21,779.61
  4. Step 4: Simplify right side
    32,520.98x = 977,914,507.62
  5. Step 5: Solve for x
    x = 977,914,507.62/32,520.98
  6. Step 6: Final answer
    x = 30,070.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.