Home / 48,856.64-67,418.34-28,714.28

Finding the Fourth Proportional to 48,856.64, 67,418.34 and 28,714.28

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Solution

The fourth proportional to 48,856.64, 67,418.34 and 28,714.28 is: 39,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,856.64 : 67,418.34 = 28,714.28 : x
  2. Step 2: Convert to fraction form
    48,856.64/67,418.34 = 28,714.28/x
  3. Step 3: Cross multiply
    48,856.64x = 67,418.34 × 28,714.28
  4. Step 4: Simplify right side
    48,856.64x = 1,935,869,091.90
  5. Step 5: Solve for x
    x = 1,935,869,091.90/48,856.64
  6. Step 6: Final answer
    x = 39,623.46

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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.