Home / 43,421.42-65,130.09-18,110.48

Finding the Fourth Proportional to 43,421.42, 65,130.09 and 18,110.48

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Solution

The fourth proportional to 43,421.42, 65,130.09 and 18,110.48 is: 27,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.42 : 65,130.09 = 18,110.48 : x
  2. Step 2: Convert to fraction form
    43,421.42/65,130.09 = 18,110.48/x
  3. Step 3: Cross multiply
    43,421.42x = 65,130.09 × 18,110.48
  4. Step 4: Simplify right side
    43,421.42x = 1,179,537,192.34
  5. Step 5: Solve for x
    x = 1,179,537,192.34/43,421.42
  6. Step 6: Final answer
    x = 27,164.87

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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.