Home / 48,753.19-67,279.85-28,610.40

Finding the Fourth Proportional to 48,753.19, 67,279.85 and 28,610.40

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Solution

The fourth proportional to 48,753.19, 67,279.85 and 28,610.40 is: 39,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,753.19 : 67,279.85 = 28,610.40 : x
  2. Step 2: Convert to fraction form
    48,753.19/67,279.85 = 28,610.40/x
  3. Step 3: Cross multiply
    48,753.19x = 67,279.85 × 28,610.40
  4. Step 4: Simplify right side
    48,753.19x = 1,924,903,420.44
  5. Step 5: Solve for x
    x = 1,924,903,420.44/48,753.19
  6. Step 6: Final answer
    x = 39,482.61

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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.