Home / 33,211.16-45,827.68-19,780.52

Finding the Fourth Proportional to 33,211.16, 45,827.68 and 19,780.52

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Solution

The fourth proportional to 33,211.16, 45,827.68 and 19,780.52 is: 27,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.16 : 45,827.68 = 19,780.52 : x
  2. Step 2: Convert to fraction form
    33,211.16/45,827.68 = 19,780.52/x
  3. Step 3: Cross multiply
    33,211.16x = 45,827.68 × 19,780.52
  4. Step 4: Simplify right side
    33,211.16x = 906,495,340.79
  5. Step 5: Solve for x
    x = 906,495,340.79/33,211.16
  6. Step 6: Final answer
    x = 27,294.90

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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.