Home / 32,126.85-44,347.83-21,780.99

Finding the Fourth Proportional to 32,126.85, 44,347.83 and 21,780.99

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Solution

The fourth proportional to 32,126.85, 44,347.83 and 21,780.99 is: 30,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,126.85 : 44,347.83 = 21,780.99 : x
  2. Step 2: Convert to fraction form
    32,126.85/44,347.83 = 21,780.99/x
  3. Step 3: Cross multiply
    32,126.85x = 44,347.83 × 21,780.99
  4. Step 4: Simplify right side
    32,126.85x = 965,939,641.75
  5. Step 5: Solve for x
    x = 965,939,641.75/32,126.85
  6. Step 6: Final answer
    x = 30,066.43

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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.