Home / 48,854.64-67,415.58-28,712.28

Finding the Fourth Proportional to 48,854.64, 67,415.58 and 28,712.28

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Solution

The fourth proportional to 48,854.64, 67,415.58 and 28,712.28 is: 39,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,854.64 : 67,415.58 = 28,712.28 : x
  2. Step 2: Convert to fraction form
    48,854.64/67,415.58 = 28,712.28/x
  3. Step 3: Cross multiply
    48,854.64x = 67,415.58 × 28,712.28
  4. Step 4: Simplify right side
    48,854.64x = 1,935,655,009.32
  5. Step 5: Solve for x
    x = 1,935,655,009.32/48,854.64
  6. Step 6: Final answer
    x = 39,620.70

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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.