Home / 40,748.64-56,173.04-31,786.08

Finding the Fourth Proportional to 40,748.64, 56,173.04 and 31,786.08

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Solution

The fourth proportional to 40,748.64, 56,173.04 and 31,786.08 is: 43,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,748.64 : 56,173.04 = 31,786.08 : x
  2. Step 2: Convert to fraction form
    40,748.64/56,173.04 = 31,786.08/x
  3. Step 3: Cross multiply
    40,748.64x = 56,173.04 × 31,786.08
  4. Step 4: Simplify right side
    40,748.64x = 1,785,520,743.28
  5. Step 5: Solve for x
    x = 1,785,520,743.28/40,748.64
  6. Step 6: Final answer
    x = 43,817.92

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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.