Home / 45,860.17-68,790.51-20,882.81

Finding the Fourth Proportional to 45,860.17, 68,790.51 and 20,882.81

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Solution

The fourth proportional to 45,860.17, 68,790.51 and 20,882.81 is: 31,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,860.17 : 68,790.51 = 20,882.81 : x
  2. Step 2: Convert to fraction form
    45,860.17/68,790.51 = 20,882.81/x
  3. Step 3: Cross multiply
    45,860.17x = 68,790.51 × 20,882.81
  4. Step 4: Simplify right side
    45,860.17x = 1,436,538,701.77
  5. Step 5: Solve for x
    x = 1,436,538,701.77/45,860.17
  6. Step 6: Final answer
    x = 31,324.32

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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.