Home / 20,057.07-30,088.49-6,905.91

Finding the Fourth Proportional to 20,057.07, 30,088.49 and 6,905.91

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Solution

The fourth proportional to 20,057.07, 30,088.49 and 6,905.91 is: 10,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.07 : 30,088.49 = 6,905.91 : x
  2. Step 2: Convert to fraction form
    20,057.07/30,088.49 = 6,905.91/x
  3. Step 3: Cross multiply
    20,057.07x = 30,088.49 × 6,905.91
  4. Step 4: Simplify right side
    20,057.07x = 207,788,369.45
  5. Step 5: Solve for x
    x = 207,788,369.45/20,057.07
  6. Step 6: Final answer
    x = 10,359.86

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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.