Home / 39,435.03-54,419.60-22,438.89

Finding the Fourth Proportional to 39,435.03, 54,419.60 and 22,438.89

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Solution

The fourth proportional to 39,435.03, 54,419.60 and 22,438.89 is: 30,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.03 : 54,419.60 = 22,438.89 : x
  2. Step 2: Convert to fraction form
    39,435.03/54,419.60 = 22,438.89/x
  3. Step 3: Cross multiply
    39,435.03x = 54,419.60 × 22,438.89
  4. Step 4: Simplify right side
    39,435.03x = 1,221,115,474.34
  5. Step 5: Solve for x
    x = 1,221,115,474.34/39,435.03
  6. Step 6: Final answer
    x = 30,965.25

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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.