Home / 39,994.08-59,992.80-13,716.88

Finding the Fourth Proportional to 39,994.08, 59,992.80 and 13,716.88

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Solution

The fourth proportional to 39,994.08, 59,992.80 and 13,716.88 is: 20,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.08 : 59,992.80 = 13,716.88 : x
  2. Step 2: Convert to fraction form
    39,994.08/59,992.80 = 13,716.88/x
  3. Step 3: Cross multiply
    39,994.08x = 59,992.80 × 13,716.88
  4. Step 4: Simplify right side
    39,994.08x = 822,914,038.46
  5. Step 5: Solve for x
    x = 822,914,038.46/39,994.08
  6. Step 6: Final answer
    x = 20,575.90

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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.