Home / 33,126.61-49,689.96-13,405.35

Finding the Fourth Proportional to 33,126.61, 49,689.96 and 13,405.35

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Solution

The fourth proportional to 33,126.61, 49,689.96 and 13,405.35 is: 20,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.61 : 49,689.96 = 13,405.35 : x
  2. Step 2: Convert to fraction form
    33,126.61/49,689.96 = 13,405.35/x
  3. Step 3: Cross multiply
    33,126.61x = 49,689.96 × 13,405.35
  4. Step 4: Simplify right side
    33,126.61x = 666,111,305.29
  5. Step 5: Solve for x
    x = 666,111,305.29/33,126.61
  6. Step 6: Final answer
    x = 20,108.04

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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.