Home / 53,107.74-73,288.92-30,448.08

Finding the Fourth Proportional to 53,107.74, 73,288.92 and 30,448.08

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Solution

The fourth proportional to 53,107.74, 73,288.92 and 30,448.08 is: 42,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.74 : 73,288.92 = 30,448.08 : x
  2. Step 2: Convert to fraction form
    53,107.74/73,288.92 = 30,448.08/x
  3. Step 3: Cross multiply
    53,107.74x = 73,288.92 × 30,448.08
  4. Step 4: Simplify right side
    53,107.74x = 2,231,506,899.27
  5. Step 5: Solve for x
    x = 2,231,506,899.27/53,107.74
  6. Step 6: Final answer
    x = 42,018.49

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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.