Home / 48,982.81-67,597-28,564.30

Finding the Fourth Proportional to 48,982.81, 67,597 and 28,564.30

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Solution

The fourth proportional to 48,982.81, 67,597 and 28,564.30 is: 39,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,982.81 : 67,597 = 28,564.30 : x
  2. Step 2: Convert to fraction form
    48,982.81/67,597 = 28,564.30/x
  3. Step 3: Cross multiply
    48,982.81x = 67,597 × 28,564.30
  4. Step 4: Simplify right side
    48,982.81x = 1,930,860,987.10
  5. Step 5: Solve for x
    x = 1,930,860,987.10/48,982.81
  6. Step 6: Final answer
    x = 39,419.16

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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.