Home / 39,416.88-54,390.84-22,655.28

Finding the Fourth Proportional to 39,416.88, 54,390.84 and 22,655.28

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Solution

The fourth proportional to 39,416.88, 54,390.84 and 22,655.28 is: 31,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,416.88 : 54,390.84 = 22,655.28 : x
  2. Step 2: Convert to fraction form
    39,416.88/54,390.84 = 22,655.28/x
  3. Step 3: Cross multiply
    39,416.88x = 54,390.84 × 22,655.28
  4. Step 4: Simplify right side
    39,416.88x = 1,232,239,709.64
  5. Step 5: Solve for x
    x = 1,232,239,709.64/39,416.88
  6. Step 6: Final answer
    x = 31,261.73

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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.