Home / 42,715.22-64,091.66-17,760.94

Finding the Fourth Proportional to 42,715.22, 64,091.66 and 17,760.94

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Solution

The fourth proportional to 42,715.22, 64,091.66 and 17,760.94 is: 26,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,715.22 : 64,091.66 = 17,760.94 : x
  2. Step 2: Convert to fraction form
    42,715.22/64,091.66 = 17,760.94/x
  3. Step 3: Cross multiply
    42,715.22x = 64,091.66 × 17,760.94
  4. Step 4: Simplify right side
    42,715.22x = 1,138,327,878.73
  5. Step 5: Solve for x
    x = 1,138,327,878.73/42,715.22
  6. Step 6: Final answer
    x = 26,649.24

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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.