Home / 33,324.71-45,987.98-18,217.36

Finding the Fourth Proportional to 33,324.71, 45,987.98 and 18,217.36

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Solution

The fourth proportional to 33,324.71, 45,987.98 and 18,217.36 is: 25,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,324.71 : 45,987.98 = 18,217.36 : x
  2. Step 2: Convert to fraction form
    33,324.71/45,987.98 = 18,217.36/x
  3. Step 3: Cross multiply
    33,324.71x = 45,987.98 × 18,217.36
  4. Step 4: Simplify right side
    33,324.71x = 837,779,381.28
  5. Step 5: Solve for x
    x = 837,779,381.28/33,324.71
  6. Step 6: Final answer
    x = 25,139.89

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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.