Home / 32,661.84-45,060.39-21,327.72

Finding the Fourth Proportional to 32,661.84, 45,060.39 and 21,327.72

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Solution

The fourth proportional to 32,661.84, 45,060.39 and 21,327.72 is: 29,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.84 : 45,060.39 = 21,327.72 : x
  2. Step 2: Convert to fraction form
    32,661.84/45,060.39 = 21,327.72/x
  3. Step 3: Cross multiply
    32,661.84x = 45,060.39 × 21,327.72
  4. Step 4: Simplify right side
    32,661.84x = 961,035,381.01
  5. Step 5: Solve for x
    x = 961,035,381.01/32,661.84
  6. Step 6: Final answer
    x = 29,423.80

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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.