Home / 79,715.07-119,579.49-20,550.24

Finding the Fourth Proportional to 79,715.07, 119,579.49 and 20,550.24

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Solution

The fourth proportional to 79,715.07, 119,579.49 and 20,550.24 is: 30,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.07 : 119,579.49 = 20,550.24 : x
  2. Step 2: Convert to fraction form
    79,715.07/119,579.49 = 20,550.24/x
  3. Step 3: Cross multiply
    79,715.07x = 119,579.49 × 20,550.24
  4. Step 4: Simplify right side
    79,715.07x = 2,457,387,218.58
  5. Step 5: Solve for x
    x = 2,457,387,218.58/79,715.07
  6. Step 6: Final answer
    x = 30,827.13

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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.