Home / 47,035.44-70,528.32-20,727.72

Finding the Fourth Proportional to 47,035.44, 70,528.32 and 20,727.72

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Solution

The fourth proportional to 47,035.44, 70,528.32 and 20,727.72 is: 31,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,035.44 : 70,528.32 = 20,727.72 : x
  2. Step 2: Convert to fraction form
    47,035.44/70,528.32 = 20,727.72/x
  3. Step 3: Cross multiply
    47,035.44x = 70,528.32 × 20,727.72
  4. Step 4: Simplify right side
    47,035.44x = 1,461,891,269.03
  5. Step 5: Solve for x
    x = 1,461,891,269.03/47,035.44
  6. Step 6: Final answer
    x = 31,080.63

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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.