Home / 48,783.64-73,173.78-20,685.58

Finding the Fourth Proportional to 48,783.64, 73,173.78 and 20,685.58

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Solution

The fourth proportional to 48,783.64, 73,173.78 and 20,685.58 is: 31,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,783.64 : 73,173.78 = 20,685.58 : x
  2. Step 2: Convert to fraction form
    48,783.64/73,173.78 = 20,685.58/x
  3. Step 3: Cross multiply
    48,783.64x = 73,173.78 × 20,685.58
  4. Step 4: Simplify right side
    48,783.64x = 1,513,642,080.09
  5. Step 5: Solve for x
    x = 1,513,642,080.09/48,783.64
  6. Step 6: Final answer
    x = 31,027.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.