Home / 33,142.68-49,714.08-13,407.72

Finding the Fourth Proportional to 33,142.68, 49,714.08 and 13,407.72

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Solution

The fourth proportional to 33,142.68, 49,714.08 and 13,407.72 is: 20,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.68 : 49,714.08 = 13,407.72 : x
  2. Step 2: Convert to fraction form
    33,142.68/49,714.08 = 13,407.72/x
  3. Step 3: Cross multiply
    33,142.68x = 49,714.08 × 13,407.72
  4. Step 4: Simplify right side
    33,142.68x = 666,552,464.70
  5. Step 5: Solve for x
    x = 666,552,464.70/33,142.68
  6. Step 6: Final answer
    x = 20,111.60

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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.