Home / 35,674.72-49,121.19-31,688.91

Finding the Fourth Proportional to 35,674.72, 49,121.19 and 31,688.91

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Solution

The fourth proportional to 35,674.72, 49,121.19 and 31,688.91 is: 43,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,674.72 : 49,121.19 = 31,688.91 : x
  2. Step 2: Convert to fraction form
    35,674.72/49,121.19 = 31,688.91/x
  3. Step 3: Cross multiply
    35,674.72x = 49,121.19 × 31,688.91
  4. Step 4: Simplify right side
    35,674.72x = 1,556,596,969.00
  5. Step 5: Solve for x
    x = 1,556,596,969.00/35,674.72
  6. Step 6: Final answer
    x = 43,633.05

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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.