Home / 36,438.60-54,666.26-18,904.53

Finding the Fourth Proportional to 36,438.60, 54,666.26 and 18,904.53

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Solution

The fourth proportional to 36,438.60, 54,666.26 and 18,904.53 is: 28,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.60 : 54,666.26 = 18,904.53 : x
  2. Step 2: Convert to fraction form
    36,438.60/54,666.26 = 18,904.53/x
  3. Step 3: Cross multiply
    36,438.60x = 54,666.26 × 18,904.53
  4. Step 4: Simplify right side
    36,438.60x = 1,033,439,952.16
  5. Step 5: Solve for x
    x = 1,033,439,952.16/36,438.60
  6. Step 6: Final answer
    x = 28,361.13

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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.