Home / 33,139.90-45,731.68-18,032.62

Finding the Fourth Proportional to 33,139.90, 45,731.68 and 18,032.62

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Solution

The fourth proportional to 33,139.90, 45,731.68 and 18,032.62 is: 24,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.90 : 45,731.68 = 18,032.62 : x
  2. Step 2: Convert to fraction form
    33,139.90/45,731.68 = 18,032.62/x
  3. Step 3: Cross multiply
    33,139.90x = 45,731.68 × 18,032.62
  4. Step 4: Simplify right side
    33,139.90x = 824,662,007.40
  5. Step 5: Solve for x
    x = 824,662,007.40/33,139.90
  6. Step 6: Final answer
    x = 24,884.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.