Home / 42,996.18-64,145.09-40,671.03

Finding the Fourth Proportional to 42,996.18, 64,145.09 and 40,671.03

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Solution

The fourth proportional to 42,996.18, 64,145.09 and 40,671.03 is: 60,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.18 : 64,145.09 = 40,671.03 : x
  2. Step 2: Convert to fraction form
    42,996.18/64,145.09 = 40,671.03/x
  3. Step 3: Cross multiply
    42,996.18x = 64,145.09 × 40,671.03
  4. Step 4: Simplify right side
    42,996.18x = 2,608,846,676.39
  5. Step 5: Solve for x
    x = 2,608,846,676.39/42,996.18
  6. Step 6: Final answer
    x = 60,676.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.