Home / 39,740.36-54,890.22-29,713.34

Finding the Fourth Proportional to 39,740.36, 54,890.22 and 29,713.34

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Solution

The fourth proportional to 39,740.36, 54,890.22 and 29,713.34 is: 41,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.36 : 54,890.22 = 29,713.34 : x
  2. Step 2: Convert to fraction form
    39,740.36/54,890.22 = 29,713.34/x
  3. Step 3: Cross multiply
    39,740.36x = 54,890.22 × 29,713.34
  4. Step 4: Simplify right side
    39,740.36x = 1,630,971,769.53
  5. Step 5: Solve for x
    x = 1,630,971,769.53/39,740.36
  6. Step 6: Final answer
    x = 41,040.69

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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.