Home / 30,633.83-45,953.58-11,915.29

Finding the Fourth Proportional to 30,633.83, 45,953.58 and 11,915.29

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Solution

The fourth proportional to 30,633.83, 45,953.58 and 11,915.29 is: 17,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633.83 : 45,953.58 = 11,915.29 : x
  2. Step 2: Convert to fraction form
    30,633.83/45,953.58 = 11,915.29/x
  3. Step 3: Cross multiply
    30,633.83x = 45,953.58 × 11,915.29
  4. Step 4: Simplify right side
    30,633.83x = 547,550,334.36
  5. Step 5: Solve for x
    x = 547,550,334.36/30,633.83
  6. Step 6: Final answer
    x = 17,874.04

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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.