Home / 30,537.41-42,144.08-17,111.66

Finding the Fourth Proportional to 30,537.41, 42,144.08 and 17,111.66

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Solution

The fourth proportional to 30,537.41, 42,144.08 and 17,111.66 is: 23,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.41 : 42,144.08 = 17,111.66 : x
  2. Step 2: Convert to fraction form
    30,537.41/42,144.08 = 17,111.66/x
  3. Step 3: Cross multiply
    30,537.41x = 42,144.08 × 17,111.66
  4. Step 4: Simplify right side
    30,537.41x = 721,154,871.69
  5. Step 5: Solve for x
    x = 721,154,871.69/30,537.41
  6. Step 6: Final answer
    x = 23,615.46

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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.