Home / 39,352.36-54,304.87-21,447.01

Finding the Fourth Proportional to 39,352.36, 54,304.87 and 21,447.01

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Solution

The fourth proportional to 39,352.36, 54,304.87 and 21,447.01 is: 29,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.36 : 54,304.87 = 21,447.01 : x
  2. Step 2: Convert to fraction form
    39,352.36/54,304.87 = 21,447.01/x
  3. Step 3: Cross multiply
    39,352.36x = 54,304.87 × 21,447.01
  4. Step 4: Simplify right side
    39,352.36x = 1,164,677,089.94
  5. Step 5: Solve for x
    x = 1,164,677,089.94/39,352.36
  6. Step 6: Final answer
    x = 29,596.12

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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.