Home / 35,490.30-53,227.92-13,305.31

Finding the Fourth Proportional to 35,490.30, 53,227.92 and 13,305.31

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Solution

The fourth proportional to 35,490.30, 53,227.92 and 13,305.31 is: 19,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.30 : 53,227.92 = 13,305.31 : x
  2. Step 2: Convert to fraction form
    35,490.30/53,227.92 = 13,305.31/x
  3. Step 3: Cross multiply
    35,490.30x = 53,227.92 × 13,305.31
  4. Step 4: Simplify right side
    35,490.30x = 708,213,893.08
  5. Step 5: Solve for x
    x = 708,213,893.08/35,490.30
  6. Step 6: Final answer
    x = 19,955.14

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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.