Home / 32,641.24-45,028.89-21,305.50

Finding the Fourth Proportional to 32,641.24, 45,028.89 and 21,305.50

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Solution

The fourth proportional to 32,641.24, 45,028.89 and 21,305.50 is: 29,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,641.24 : 45,028.89 = 21,305.50 : x
  2. Step 2: Convert to fraction form
    32,641.24/45,028.89 = 21,305.50/x
  3. Step 3: Cross multiply
    32,641.24x = 45,028.89 × 21,305.50
  4. Step 4: Simplify right side
    32,641.24x = 959,363,015.90
  5. Step 5: Solve for x
    x = 959,363,015.90/32,641.24
  6. Step 6: Final answer
    x = 29,391.13

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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.