Home / 79,217.07-118,825.70-20,052.74

Finding the Fourth Proportional to 79,217.07, 118,825.70 and 20,052.74

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Solution

The fourth proportional to 79,217.07, 118,825.70 and 20,052.74 is: 30,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,217.07 : 118,825.70 = 20,052.74 : x
  2. Step 2: Convert to fraction form
    79,217.07/118,825.70 = 20,052.74/x
  3. Step 3: Cross multiply
    79,217.07x = 118,825.70 × 20,052.74
  4. Step 4: Simplify right side
    79,217.07x = 2,382,780,395.82
  5. Step 5: Solve for x
    x = 2,382,780,395.82/79,217.07
  6. Step 6: Final answer
    x = 30,079.13

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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.