Home / 30,002.36-45,003.51-9,225.86

Finding the Fourth Proportional to 30,002.36, 45,003.51 and 9,225.86

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Solution

The fourth proportional to 30,002.36, 45,003.51 and 9,225.86 is: 13,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.36 : 45,003.51 = 9,225.86 : x
  2. Step 2: Convert to fraction form
    30,002.36/45,003.51 = 9,225.86/x
  3. Step 3: Cross multiply
    30,002.36x = 45,003.51 × 9,225.86
  4. Step 4: Simplify right side
    30,002.36x = 415,195,857.75
  5. Step 5: Solve for x
    x = 415,195,857.75/30,002.36
  6. Step 6: Final answer
    x = 13,838.78

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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.