Home / 43,508.80-65,090.40-37,729.60

Finding the Fourth Proportional to 43,508.80, 65,090.40 and 37,729.60

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Solution

The fourth proportional to 43,508.80, 65,090.40 and 37,729.60 is: 56,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.80 : 65,090.40 = 37,729.60 : x
  2. Step 2: Convert to fraction form
    43,508.80/65,090.40 = 37,729.60/x
  3. Step 3: Cross multiply
    43,508.80x = 65,090.40 × 37,729.60
  4. Step 4: Simplify right side
    43,508.80x = 2,455,834,755.84
  5. Step 5: Solve for x
    x = 2,455,834,755.84/43,508.80
  6. Step 6: Final answer
    x = 56,444.55

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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.