Home / 45,017.91-67,533.35-13,845.87

Finding the Fourth Proportional to 45,017.91, 67,533.35 and 13,845.87

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Solution

The fourth proportional to 45,017.91, 67,533.35 and 13,845.87 is: 20,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,017.91 : 67,533.35 = 13,845.87 : x
  2. Step 2: Convert to fraction form
    45,017.91/67,533.35 = 13,845.87/x
  3. Step 3: Cross multiply
    45,017.91x = 67,533.35 × 13,845.87
  4. Step 4: Simplify right side
    45,017.91x = 935,057,915.54
  5. Step 5: Solve for x
    x = 935,057,915.54/45,017.91
  6. Step 6: Final answer
    x = 20,770.80

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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.