Home / 79,576.02-119,364.06-20,411.69

Finding the Fourth Proportional to 79,576.02, 119,364.06 and 20,411.69

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Solution

The fourth proportional to 79,576.02, 119,364.06 and 20,411.69 is: 30,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,576.02 : 119,364.06 = 20,411.69 : x
  2. Step 2: Convert to fraction form
    79,576.02/119,364.06 = 20,411.69/x
  3. Step 3: Cross multiply
    79,576.02x = 119,364.06 × 20,411.69
  4. Step 4: Simplify right side
    79,576.02x = 2,436,422,189.86
  5. Step 5: Solve for x
    x = 2,436,422,189.86/79,576.02
  6. Step 6: Final answer
    x = 30,617.54

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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.