Home / 30,575.12-45,862.84-13,923.54

Finding the Fourth Proportional to 30,575.12, 45,862.84 and 13,923.54

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Solution

The fourth proportional to 30,575.12, 45,862.84 and 13,923.54 is: 20,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.12 : 45,862.84 = 13,923.54 : x
  2. Step 2: Convert to fraction form
    30,575.12/45,862.84 = 13,923.54/x
  3. Step 3: Cross multiply
    30,575.12x = 45,862.84 × 13,923.54
  4. Step 4: Simplify right side
    30,575.12x = 638,573,087.25
  5. Step 5: Solve for x
    x = 638,573,087.25/30,575.12
  6. Step 6: Final answer
    x = 20,885.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.