Home / 82,815.49-124,220.70-23,651.29

Finding the Fourth Proportional to 82,815.49, 124,220.70 and 23,651.29

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Solution

The fourth proportional to 82,815.49, 124,220.70 and 23,651.29 is: 35,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.49 : 124,220.70 = 23,651.29 : x
  2. Step 2: Convert to fraction form
    82,815.49/124,220.70 = 23,651.29/x
  3. Step 3: Cross multiply
    82,815.49x = 124,220.70 × 23,651.29
  4. Step 4: Simplify right side
    82,815.49x = 2,937,979,799.70
  5. Step 5: Solve for x
    x = 2,937,979,799.70/82,815.49
  6. Step 6: Final answer
    x = 35,476.21

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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.