Home / 45,106.53-67,615.17-21,372.38

Finding the Fourth Proportional to 45,106.53, 67,615.17 and 21,372.38

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Solution

The fourth proportional to 45,106.53, 67,615.17 and 21,372.38 is: 32,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,106.53 : 67,615.17 = 21,372.38 : x
  2. Step 2: Convert to fraction form
    45,106.53/67,615.17 = 21,372.38/x
  3. Step 3: Cross multiply
    45,106.53x = 67,615.17 × 21,372.38
  4. Step 4: Simplify right side
    45,106.53x = 1,445,097,107.00
  5. Step 5: Solve for x
    x = 1,445,097,107.00/45,106.53
  6. Step 6: Final answer
    x = 32,037.43

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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.