Home / 30,004.36-44,998.62-8,938.72

Finding the Fourth Proportional to 30,004.36, 44,998.62 and 8,938.72

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Solution

The fourth proportional to 30,004.36, 44,998.62 and 8,938.72 is: 13,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.36 : 44,998.62 = 8,938.72 : x
  2. Step 2: Convert to fraction form
    30,004.36/44,998.62 = 8,938.72/x
  3. Step 3: Cross multiply
    30,004.36x = 44,998.62 × 8,938.72
  4. Step 4: Simplify right side
    30,004.36x = 402,230,064.57
  5. Step 5: Solve for x
    x = 402,230,064.57/30,004.36
  6. Step 6: Final answer
    x = 13,405.72

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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.