Home / 35,145.70-48,502.26-20,040.58

Finding the Fourth Proportional to 35,145.70, 48,502.26 and 20,040.58

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Solution

The fourth proportional to 35,145.70, 48,502.26 and 20,040.58 is: 27,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.70 : 48,502.26 = 20,040.58 : x
  2. Step 2: Convert to fraction form
    35,145.70/48,502.26 = 20,040.58/x
  3. Step 3: Cross multiply
    35,145.70x = 48,502.26 × 20,040.58
  4. Step 4: Simplify right side
    35,145.70x = 972,013,421.71
  5. Step 5: Solve for x
    x = 972,013,421.71/35,145.70
  6. Step 6: Final answer
    x = 27,656.68

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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.