Home / 37,539.60-51,804.64-20,543.85

Finding the Fourth Proportional to 37,539.60, 51,804.64 and 20,543.85

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Solution

The fourth proportional to 37,539.60, 51,804.64 and 20,543.85 is: 28,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,539.60 : 51,804.64 = 20,543.85 : x
  2. Step 2: Convert to fraction form
    37,539.60/51,804.64 = 20,543.85/x
  3. Step 3: Cross multiply
    37,539.60x = 51,804.64 × 20,543.85
  4. Step 4: Simplify right side
    37,539.60x = 1,064,266,638.15
  5. Step 5: Solve for x
    x = 1,064,266,638.15/37,539.60
  6. Step 6: Final answer
    x = 28,350.51

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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.