Home / 48,537-66,962.88-28,387.44

Finding the Fourth Proportional to 48,537, 66,962.88 and 28,387.44

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Solution

The fourth proportional to 48,537, 66,962.88 and 28,387.44 is: 39,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537 : 66,962.88 = 28,387.44 : x
  2. Step 2: Convert to fraction form
    48,537/66,962.88 = 28,387.44/x
  3. Step 3: Cross multiply
    48,537x = 66,962.88 × 28,387.44
  4. Step 4: Simplify right side
    48,537x = 1,900,904,738.23
  5. Step 5: Solve for x
    x = 1,900,904,738.23/48,537
  6. Step 6: Final answer
    x = 39,164.03

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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.