Home / 35,345.12-52,955.36-18,668.34

Finding the Fourth Proportional to 35,345.12, 52,955.36 and 18,668.34

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Solution

The fourth proportional to 35,345.12, 52,955.36 and 18,668.34 is: 27,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.12 : 52,955.36 = 18,668.34 : x
  2. Step 2: Convert to fraction form
    35,345.12/52,955.36 = 18,668.34/x
  3. Step 3: Cross multiply
    35,345.12x = 52,955.36 × 18,668.34
  4. Step 4: Simplify right side
    35,345.12x = 988,588,665.30
  5. Step 5: Solve for x
    x = 988,588,665.30/35,345.12
  6. Step 6: Final answer
    x = 27,969.59

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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.