Home / 42,977.74-64,465.17-17,676.38

Finding the Fourth Proportional to 42,977.74, 64,465.17 and 17,676.38

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Solution

The fourth proportional to 42,977.74, 64,465.17 and 17,676.38 is: 26,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.74 : 64,465.17 = 17,676.38 : x
  2. Step 2: Convert to fraction form
    42,977.74/64,465.17 = 17,676.38/x
  3. Step 3: Cross multiply
    42,977.74x = 64,465.17 × 17,676.38
  4. Step 4: Simplify right side
    42,977.74x = 1,139,510,519.36
  5. Step 5: Solve for x
    x = 1,139,510,519.36/42,977.74
  6. Step 6: Final answer
    x = 26,513.97

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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.