Home / 35,371.40-53,051.34-10,405.61

Finding the Fourth Proportional to 35,371.40, 53,051.34 and 10,405.61

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Solution

The fourth proportional to 35,371.40, 53,051.34 and 10,405.61 is: 15,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.40 : 53,051.34 = 10,405.61 : x
  2. Step 2: Convert to fraction form
    35,371.40/53,051.34 = 10,405.61/x
  3. Step 3: Cross multiply
    35,371.40x = 53,051.34 × 10,405.61
  4. Step 4: Simplify right side
    35,371.40x = 552,031,660.63
  5. Step 5: Solve for x
    x = 552,031,660.63/35,371.40
  6. Step 6: Final answer
    x = 15,606.72

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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.