Home / 35,275.89-48,680.73-21,136.92

Finding the Fourth Proportional to 35,275.89, 48,680.73 and 21,136.92

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Solution

The fourth proportional to 35,275.89, 48,680.73 and 21,136.92 is: 29,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,275.89 : 48,680.73 = 21,136.92 : x
  2. Step 2: Convert to fraction form
    35,275.89/48,680.73 = 21,136.92/x
  3. Step 3: Cross multiply
    35,275.89x = 48,680.73 × 21,136.92
  4. Step 4: Simplify right side
    35,275.89x = 1,028,960,695.55
  5. Step 5: Solve for x
    x = 1,028,960,695.55/35,275.89
  6. Step 6: Final answer
    x = 29,168.95

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Double scale
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Similar ratio
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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.