Home / 39,265.69-54,187.53-21,361.66

Finding the Fourth Proportional to 39,265.69, 54,187.53 and 21,361.66

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Solution

The fourth proportional to 39,265.69, 54,187.53 and 21,361.66 is: 29,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,265.69 : 54,187.53 = 21,361.66 : x
  2. Step 2: Convert to fraction form
    39,265.69/54,187.53 = 21,361.66/x
  3. Step 3: Cross multiply
    39,265.69x = 54,187.53 × 21,361.66
  4. Step 4: Simplify right side
    39,265.69x = 1,157,535,592.10
  5. Step 5: Solve for x
    x = 1,157,535,592.10/39,265.69
  6. Step 6: Final answer
    x = 29,479.57

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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.