Home / 30,634.00-45,931.35-12,876.17

Finding the Fourth Proportional to 30,634.00, 45,931.35 and 12,876.17

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Solution

The fourth proportional to 30,634.00, 45,931.35 and 12,876.17 is: 19,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.00 : 45,931.35 = 12,876.17 : x
  2. Step 2: Convert to fraction form
    30,634.00/45,931.35 = 12,876.17/x
  3. Step 3: Cross multiply
    30,634.00x = 45,931.35 × 12,876.17
  4. Step 4: Simplify right side
    30,634.00x = 591,419,689.56
  5. Step 5: Solve for x
    x = 591,419,689.56/30,634.00
  6. Step 6: Final answer
    x = 19,305.99

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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.