Home / 30,246.13-45,372.84-12,713.68

Finding the Fourth Proportional to 30,246.13, 45,372.84 and 12,713.68

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Solution

The fourth proportional to 30,246.13, 45,372.84 and 12,713.68 is: 19,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.13 : 45,372.84 = 12,713.68 : x
  2. Step 2: Convert to fraction form
    30,246.13/45,372.84 = 12,713.68/x
  3. Step 3: Cross multiply
    30,246.13x = 45,372.84 × 12,713.68
  4. Step 4: Simplify right side
    30,246.13x = 576,855,768.45
  5. Step 5: Solve for x
    x = 576,855,768.45/30,246.13
  6. Step 6: Final answer
    x = 19,072.05

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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.