Home / 30,671.93-42,324.03-17,057.77

Finding the Fourth Proportional to 30,671.93, 42,324.03 and 17,057.77

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Solution

The fourth proportional to 30,671.93, 42,324.03 and 17,057.77 is: 23,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.93 : 42,324.03 = 17,057.77 : x
  2. Step 2: Convert to fraction form
    30,671.93/42,324.03 = 17,057.77/x
  3. Step 3: Cross multiply
    30,671.93x = 42,324.03 × 17,057.77
  4. Step 4: Simplify right side
    30,671.93x = 721,953,463.40
  5. Step 5: Solve for x
    x = 721,953,463.40/30,671.93
  6. Step 6: Final answer
    x = 23,537.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.