Home / 45,294.24-67,928.40-14,121.12

Finding the Fourth Proportional to 45,294.24, 67,928.40 and 14,121.12

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Solution

The fourth proportional to 45,294.24, 67,928.40 and 14,121.12 is: 21,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294.24 : 67,928.40 = 14,121.12 : x
  2. Step 2: Convert to fraction form
    45,294.24/67,928.40 = 14,121.12/x
  3. Step 3: Cross multiply
    45,294.24x = 67,928.40 × 14,121.12
  4. Step 4: Simplify right side
    45,294.24x = 959,225,087.81
  5. Step 5: Solve for x
    x = 959,225,087.81/45,294.24
  6. Step 6: Final answer
    x = 21,177.64

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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.