Home / 37,616.96-51,915.04-20,854.08

Finding the Fourth Proportional to 37,616.96, 51,915.04 and 20,854.08

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Solution

The fourth proportional to 37,616.96, 51,915.04 and 20,854.08 is: 28,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,616.96 : 51,915.04 = 20,854.08 : x
  2. Step 2: Convert to fraction form
    37,616.96/51,915.04 = 20,854.08/x
  3. Step 3: Cross multiply
    37,616.96x = 51,915.04 × 20,854.08
  4. Step 4: Simplify right side
    37,616.96x = 1,082,640,397.36
  5. Step 5: Solve for x
    x = 1,082,640,397.36/37,616.96
  6. Step 6: Final answer
    x = 28,780.65

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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.