Home / 73,995.73-111,000.08-20,688.29

Finding the Fourth Proportional to 73,995.73, 111,000.08 and 20,688.29

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Solution

The fourth proportional to 73,995.73, 111,000.08 and 20,688.29 is: 31,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,995.73 : 111,000.08 = 20,688.29 : x
  2. Step 2: Convert to fraction form
    73,995.73/111,000.08 = 20,688.29/x
  3. Step 3: Cross multiply
    73,995.73x = 111,000.08 × 20,688.29
  4. Step 4: Simplify right side
    73,995.73x = 2,296,401,845.06
  5. Step 5: Solve for x
    x = 2,296,401,845.06/73,995.73
  6. Step 6: Final answer
    x = 31,034.25

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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.