Home / 39,954.28-55,157.63-29,187.06

Finding the Fourth Proportional to 39,954.28, 55,157.63 and 29,187.06

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Solution

The fourth proportional to 39,954.28, 55,157.63 and 29,187.06 is: 40,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.28 : 55,157.63 = 29,187.06 : x
  2. Step 2: Convert to fraction form
    39,954.28/55,157.63 = 29,187.06/x
  3. Step 3: Cross multiply
    39,954.28x = 55,157.63 × 29,187.06
  4. Step 4: Simplify right side
    39,954.28x = 1,609,889,074.51
  5. Step 5: Solve for x
    x = 1,609,889,074.51/39,954.28
  6. Step 6: Final answer
    x = 40,293.28

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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.