Home / 48,844.32-67,373.28-30,920.64

Finding the Fourth Proportional to 48,844.32, 67,373.28 and 30,920.64

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Solution

The fourth proportional to 48,844.32, 67,373.28 and 30,920.64 is: 42,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,844.32 : 67,373.28 = 30,920.64 : x
  2. Step 2: Convert to fraction form
    48,844.32/67,373.28 = 30,920.64/x
  3. Step 3: Cross multiply
    48,844.32x = 67,373.28 × 30,920.64
  4. Step 4: Simplify right side
    48,844.32x = 2,083,224,936.50
  5. Step 5: Solve for x
    x = 2,083,224,936.50/48,844.32
  6. Step 6: Final answer
    x = 42,650.30

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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.