Home / 39,208.92-54,090.36-29,631.48

Finding the Fourth Proportional to 39,208.92, 54,090.36 and 29,631.48

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Solution

The fourth proportional to 39,208.92, 54,090.36 and 29,631.48 is: 40,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,208.92 : 54,090.36 = 29,631.48 : x
  2. Step 2: Convert to fraction form
    39,208.92/54,090.36 = 29,631.48/x
  3. Step 3: Cross multiply
    39,208.92x = 54,090.36 × 29,631.48
  4. Step 4: Simplify right side
    39,208.92x = 1,602,777,420.53
  5. Step 5: Solve for x
    x = 1,602,777,420.53/39,208.92
  6. Step 6: Final answer
    x = 40,877.88

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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.