Home / 33,138.08-45,731-18,031.17

Finding the Fourth Proportional to 33,138.08, 45,731 and 18,031.17

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Solution

The fourth proportional to 33,138.08, 45,731 and 18,031.17 is: 24,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.08 : 45,731 = 18,031.17 : x
  2. Step 2: Convert to fraction form
    33,138.08/45,731 = 18,031.17/x
  3. Step 3: Cross multiply
    33,138.08x = 45,731 × 18,031.17
  4. Step 4: Simplify right side
    33,138.08x = 824,583,435.27
  5. Step 5: Solve for x
    x = 824,583,435.27/33,138.08
  6. Step 6: Final answer
    x = 24,883.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.