Home / 34,881.90-48,136.45-18,966.75

Finding the Fourth Proportional to 34,881.90, 48,136.45 and 18,966.75

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Solution

The fourth proportional to 34,881.90, 48,136.45 and 18,966.75 is: 26,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.90 : 48,136.45 = 18,966.75 : x
  2. Step 2: Convert to fraction form
    34,881.90/48,136.45 = 18,966.75/x
  3. Step 3: Cross multiply
    34,881.90x = 48,136.45 × 18,966.75
  4. Step 4: Simplify right side
    34,881.90x = 912,992,013.04
  5. Step 5: Solve for x
    x = 912,992,013.04/34,881.90
  6. Step 6: Final answer
    x = 26,173.80

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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.