Home / 82,423.09-123,634.64-29,820.34

Finding the Fourth Proportional to 82,423.09, 123,634.64 and 29,820.34

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Solution

The fourth proportional to 82,423.09, 123,634.64 and 29,820.34 is: 44,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,423.09 : 123,634.64 = 29,820.34 : x
  2. Step 2: Convert to fraction form
    82,423.09/123,634.64 = 29,820.34/x
  3. Step 3: Cross multiply
    82,423.09x = 123,634.64 × 29,820.34
  4. Step 4: Simplify right side
    82,423.09x = 3,686,827,000.58
  5. Step 5: Solve for x
    x = 3,686,827,000.58/82,423.09
  6. Step 6: Final answer
    x = 44,730.51

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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.