Home / 29,901.90-41,284.50-18,588.30

Finding the Fourth Proportional to 29,901.90, 41,284.50 and 18,588.30

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Solution

The fourth proportional to 29,901.90, 41,284.50 and 18,588.30 is: 25,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,901.90 : 41,284.50 = 18,588.30 : x
  2. Step 2: Convert to fraction form
    29,901.90/41,284.50 = 18,588.30/x
  3. Step 3: Cross multiply
    29,901.90x = 41,284.50 × 18,588.30
  4. Step 4: Simplify right side
    29,901.90x = 767,408,671.35
  5. Step 5: Solve for x
    x = 767,408,671.35/29,901.90
  6. Step 6: Final answer
    x = 25,664.21

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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.