Home / 53,107.07-73,279.17-30,441.89

Finding the Fourth Proportional to 53,107.07, 73,279.17 and 30,441.89

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Solution

The fourth proportional to 53,107.07, 73,279.17 and 30,441.89 is: 42,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.07 : 73,279.17 = 30,441.89 : x
  2. Step 2: Convert to fraction form
    53,107.07/73,279.17 = 30,441.89/x
  3. Step 3: Cross multiply
    53,107.07x = 73,279.17 × 30,441.89
  4. Step 4: Simplify right side
    53,107.07x = 2,230,756,432.43
  5. Step 5: Solve for x
    x = 2,230,756,432.43/53,107.07
  6. Step 6: Final answer
    x = 42,004.89

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1.5x scale

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.