Home / 47,980.32-66,239.91-33,272.74

Finding the Fourth Proportional to 47,980.32, 66,239.91 and 33,272.74

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Solution

The fourth proportional to 47,980.32, 66,239.91 and 33,272.74 is: 45,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.32 : 66,239.91 = 33,272.74 : x
  2. Step 2: Convert to fraction form
    47,980.32/66,239.91 = 33,272.74/x
  3. Step 3: Cross multiply
    47,980.32x = 66,239.91 × 33,272.74
  4. Step 4: Simplify right side
    47,980.32x = 2,203,983,385.85
  5. Step 5: Solve for x
    x = 2,203,983,385.85/47,980.32
  6. Step 6: Final answer
    x = 45,935.16

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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.