Home / 39,315.80-54,294.37-33,617.66

Finding the Fourth Proportional to 39,315.80, 54,294.37 and 33,617.66

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Solution

The fourth proportional to 39,315.80, 54,294.37 and 33,617.66 is: 46,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.80 : 54,294.37 = 33,617.66 : x
  2. Step 2: Convert to fraction form
    39,315.80/54,294.37 = 33,617.66/x
  3. Step 3: Cross multiply
    39,315.80x = 54,294.37 × 33,617.66
  4. Step 4: Simplify right side
    39,315.80x = 1,825,249,315.06
  5. Step 5: Solve for x
    x = 1,825,249,315.06/39,315.80
  6. Step 6: Final answer
    x = 46,425.34

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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.