Home / 30,610.14-42,246.40-17,001.30

Finding the Fourth Proportional to 30,610.14, 42,246.40 and 17,001.30

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Solution

The fourth proportional to 30,610.14, 42,246.40 and 17,001.30 is: 23,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610.14 : 42,246.40 = 17,001.30 : x
  2. Step 2: Convert to fraction form
    30,610.14/42,246.40 = 17,001.30/x
  3. Step 3: Cross multiply
    30,610.14x = 42,246.40 × 17,001.30
  4. Step 4: Simplify right side
    30,610.14x = 718,243,720.32
  5. Step 5: Solve for x
    x = 718,243,720.32/30,610.14
  6. Step 6: Final answer
    x = 23,464.24

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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.