Home / 39,797.28-54,926.16-29,216.16

Finding the Fourth Proportional to 39,797.28, 54,926.16 and 29,216.16

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Solution

The fourth proportional to 39,797.28, 54,926.16 and 29,216.16 is: 40,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,797.28 : 54,926.16 = 29,216.16 : x
  2. Step 2: Convert to fraction form
    39,797.28/54,926.16 = 29,216.16/x
  3. Step 3: Cross multiply
    39,797.28x = 54,926.16 × 29,216.16
  4. Step 4: Simplify right side
    39,797.28x = 1,604,731,478.75
  5. Step 5: Solve for x
    x = 1,604,731,478.75/39,797.28
  6. Step 6: Final answer
    x = 40,322.64

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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.