Home / 45,344.75-68,017.28-13,755.08

Finding the Fourth Proportional to 45,344.75, 68,017.28 and 13,755.08

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Solution

The fourth proportional to 45,344.75, 68,017.28 and 13,755.08 is: 20,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344.75 : 68,017.28 = 13,755.08 : x
  2. Step 2: Convert to fraction form
    45,344.75/68,017.28 = 13,755.08/x
  3. Step 3: Cross multiply
    45,344.75x = 68,017.28 × 13,755.08
  4. Step 4: Simplify right side
    45,344.75x = 935,582,973.99
  5. Step 5: Solve for x
    x = 935,582,973.99/45,344.75
  6. Step 6: Final answer
    x = 20,632.67

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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.