Home / 79,809.12-119,709.36-24,405.12

Finding the Fourth Proportional to 79,809.12, 119,709.36 and 24,405.12

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Solution

The fourth proportional to 79,809.12, 119,709.36 and 24,405.12 is: 36,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,809.12 : 119,709.36 = 24,405.12 : x
  2. Step 2: Convert to fraction form
    79,809.12/119,709.36 = 24,405.12/x
  3. Step 3: Cross multiply
    79,809.12x = 119,709.36 × 24,405.12
  4. Step 4: Simplify right side
    79,809.12x = 2,921,521,295.92
  5. Step 5: Solve for x
    x = 2,921,521,295.92/79,809.12
  6. Step 6: Final answer
    x = 36,606.36

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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.