Home / 49,107.72-73,642.02-21,041.16

Finding the Fourth Proportional to 49,107.72, 73,642.02 and 21,041.16

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Solution

The fourth proportional to 49,107.72, 73,642.02 and 21,041.16 is: 31,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,107.72 : 73,642.02 = 21,041.16 : x
  2. Step 2: Convert to fraction form
    49,107.72/73,642.02 = 21,041.16/x
  3. Step 3: Cross multiply
    49,107.72x = 73,642.02 × 21,041.16
  4. Step 4: Simplify right side
    49,107.72x = 1,549,513,525.54
  5. Step 5: Solve for x
    x = 1,549,513,525.54/49,107.72
  6. Step 6: Final answer
    x = 31,553.36

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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.