Home / 34,775.30-47,989.92-18,859.68

Finding the Fourth Proportional to 34,775.30, 47,989.92 and 18,859.68

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Solution

The fourth proportional to 34,775.30, 47,989.92 and 18,859.68 is: 26,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,775.30 : 47,989.92 = 18,859.68 : x
  2. Step 2: Convert to fraction form
    34,775.30/47,989.92 = 18,859.68/x
  3. Step 3: Cross multiply
    34,775.30x = 47,989.92 × 18,859.68
  4. Step 4: Simplify right side
    34,775.30x = 905,074,534.43
  5. Step 5: Solve for x
    x = 905,074,534.43/34,775.30
  6. Step 6: Final answer
    x = 26,026.37

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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.