Home / 45,780.27-68,681.12-14,188.68

Finding the Fourth Proportional to 45,780.27, 68,681.12 and 14,188.68

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Solution

The fourth proportional to 45,780.27, 68,681.12 and 14,188.68 is: 21,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,780.27 : 68,681.12 = 14,188.68 : x
  2. Step 2: Convert to fraction form
    45,780.27/68,681.12 = 14,188.68/x
  3. Step 3: Cross multiply
    45,780.27x = 68,681.12 × 14,188.68
  4. Step 4: Simplify right side
    45,780.27x = 974,494,362.78
  5. Step 5: Solve for x
    x = 974,494,362.78/45,780.27
  6. Step 6: Final answer
    x = 21,286.34

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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.