Home / 43,090.42-64,636.44-13,507.60

Finding the Fourth Proportional to 43,090.42, 64,636.44 and 13,507.60

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Solution

The fourth proportional to 43,090.42, 64,636.44 and 13,507.60 is: 20,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,090.42 : 64,636.44 = 13,507.60 : x
  2. Step 2: Convert to fraction form
    43,090.42/64,636.44 = 13,507.60/x
  3. Step 3: Cross multiply
    43,090.42x = 64,636.44 × 13,507.60
  4. Step 4: Simplify right side
    43,090.42x = 873,083,176.94
  5. Step 5: Solve for x
    x = 873,083,176.94/43,090.42
  6. Step 6: Final answer
    x = 20,261.65

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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.