Home / 38,716.55-58,069.34-12,417.87

Finding the Fourth Proportional to 38,716.55, 58,069.34 and 12,417.87

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Solution

The fourth proportional to 38,716.55, 58,069.34 and 12,417.87 is: 18,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,716.55 : 58,069.34 = 12,417.87 : x
  2. Step 2: Convert to fraction form
    38,716.55/58,069.34 = 12,417.87/x
  3. Step 3: Cross multiply
    38,716.55x = 58,069.34 × 12,417.87
  4. Step 4: Simplify right side
    38,716.55x = 721,097,515.11
  5. Step 5: Solve for x
    x = 721,097,515.11/38,716.55
  6. Step 6: Final answer
    x = 18,625.05

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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.