Home / 30,515.37-45,736.09-12,948.29

Finding the Fourth Proportional to 30,515.37, 45,736.09 and 12,948.29

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Solution

The fourth proportional to 30,515.37, 45,736.09 and 12,948.29 is: 19,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515.37 : 45,736.09 = 12,948.29 : x
  2. Step 2: Convert to fraction form
    30,515.37/45,736.09 = 12,948.29/x
  3. Step 3: Cross multiply
    30,515.37x = 45,736.09 × 12,948.29
  4. Step 4: Simplify right side
    30,515.37x = 592,204,333.03
  5. Step 5: Solve for x
    x = 592,204,333.03/30,515.37
  6. Step 6: Final answer
    x = 19,406.76

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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.