Home / 33,207.79-45,826.46-18,100.45

Finding the Fourth Proportional to 33,207.79, 45,826.46 and 18,100.45

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Solution

The fourth proportional to 33,207.79, 45,826.46 and 18,100.45 is: 24,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207.79 : 45,826.46 = 18,100.45 : x
  2. Step 2: Convert to fraction form
    33,207.79/45,826.46 = 18,100.45/x
  3. Step 3: Cross multiply
    33,207.79x = 45,826.46 × 18,100.45
  4. Step 4: Simplify right side
    33,207.79x = 829,479,547.91
  5. Step 5: Solve for x
    x = 829,479,547.91/33,207.79
  6. Step 6: Final answer
    x = 24,978.46

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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.