Home / 20,000.07-29,999.16-5,007.31

Finding the Fourth Proportional to 20,000.07, 29,999.16 and 5,007.31

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Solution

The fourth proportional to 20,000.07, 29,999.16 and 5,007.31 is: 7,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.07 : 29,999.16 = 5,007.31 : x
  2. Step 2: Convert to fraction form
    20,000.07/29,999.16 = 5,007.31/x
  3. Step 3: Cross multiply
    20,000.07x = 29,999.16 × 5,007.31
  4. Step 4: Simplify right side
    20,000.07x = 150,215,018.86
  5. Step 5: Solve for x
    x = 150,215,018.86/20,000.07
  6. Step 6: Final answer
    x = 7,510.72

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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.