Home / 45,029.34-67,512.78-20,056.14

Finding the Fourth Proportional to 45,029.34, 67,512.78 and 20,056.14

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Solution

The fourth proportional to 45,029.34, 67,512.78 and 20,056.14 is: 30,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.34 : 67,512.78 = 20,056.14 : x
  2. Step 2: Convert to fraction form
    45,029.34/67,512.78 = 20,056.14/x
  3. Step 3: Cross multiply
    45,029.34x = 67,512.78 × 20,056.14
  4. Step 4: Simplify right side
    45,029.34x = 1,354,045,767.47
  5. Step 5: Solve for x
    x = 1,354,045,767.47/45,029.34
  6. Step 6: Final answer
    x = 30,070.30

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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.