Home / 45,713.45-68,597.42-20,411.00

Finding the Fourth Proportional to 45,713.45, 68,597.42 and 20,411.00

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Solution

The fourth proportional to 45,713.45, 68,597.42 and 20,411.00 is: 30,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,713.45 : 68,597.42 = 20,411.00 : x
  2. Step 2: Convert to fraction form
    45,713.45/68,597.42 = 20,411.00/x
  3. Step 3: Cross multiply
    45,713.45x = 68,597.42 × 20,411.00
  4. Step 4: Simplify right side
    45,713.45x = 1,400,141,494.58
  5. Step 5: Solve for x
    x = 1,400,141,494.58/45,713.45
  6. Step 6: Final answer
    x = 30,628.66

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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.