Home / 45,347.82-68,021.88-13,758.15

Finding the Fourth Proportional to 45,347.82, 68,021.88 and 13,758.15

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Solution

The fourth proportional to 45,347.82, 68,021.88 and 13,758.15 is: 20,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.82 : 68,021.88 = 13,758.15 : x
  2. Step 2: Convert to fraction form
    45,347.82/68,021.88 = 13,758.15/x
  3. Step 3: Cross multiply
    45,347.82x = 68,021.88 × 13,758.15
  4. Step 4: Simplify right side
    45,347.82x = 935,855,228.32
  5. Step 5: Solve for x
    x = 935,855,228.32/45,347.82
  6. Step 6: Final answer
    x = 20,637.27

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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.