Home / 82,966.71-124,450.52-20,637.21

Finding the Fourth Proportional to 82,966.71, 124,450.52 and 20,637.21

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Solution

The fourth proportional to 82,966.71, 124,450.52 and 20,637.21 is: 30,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,966.71 : 124,450.52 = 20,637.21 : x
  2. Step 2: Convert to fraction form
    82,966.71/124,450.52 = 20,637.21/x
  3. Step 3: Cross multiply
    82,966.71x = 124,450.52 × 20,637.21
  4. Step 4: Simplify right side
    82,966.71x = 2,568,311,412.66
  5. Step 5: Solve for x
    x = 2,568,311,412.66/82,966.71
  6. Step 6: Final answer
    x = 30,955.93

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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.