Home / 30,350.36-45,532.20-9,290.54

Finding the Fourth Proportional to 30,350.36, 45,532.20 and 9,290.54

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Solution

The fourth proportional to 30,350.36, 45,532.20 and 9,290.54 is: 13,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.36 : 45,532.20 = 9,290.54 : x
  2. Step 2: Convert to fraction form
    30,350.36/45,532.20 = 9,290.54/x
  3. Step 3: Cross multiply
    30,350.36x = 45,532.20 × 9,290.54
  4. Step 4: Simplify right side
    30,350.36x = 423,018,725.39
  5. Step 5: Solve for x
    x = 423,018,725.39/30,350.36
  6. Step 6: Final answer
    x = 13,937.85

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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.