Home / 45,555.06-68,340.66-13,964.40

Finding the Fourth Proportional to 45,555.06, 68,340.66 and 13,964.40

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Solution

The fourth proportional to 45,555.06, 68,340.66 and 13,964.40 is: 20,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555.06 : 68,340.66 = 13,964.40 : x
  2. Step 2: Convert to fraction form
    45,555.06/68,340.66 = 13,964.40/x
  3. Step 3: Cross multiply
    45,555.06x = 68,340.66 × 13,964.40
  4. Step 4: Simplify right side
    45,555.06x = 954,336,312.50
  5. Step 5: Solve for x
    x = 954,336,312.50/45,555.06
  6. Step 6: Final answer
    x = 20,949.07

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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.