Home / 32,890.51-45,387.70-18,740.62

Finding the Fourth Proportional to 32,890.51, 45,387.70 and 18,740.62

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Solution

The fourth proportional to 32,890.51, 45,387.70 and 18,740.62 is: 25,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.51 : 45,387.70 = 18,740.62 : x
  2. Step 2: Convert to fraction form
    32,890.51/45,387.70 = 18,740.62/x
  3. Step 3: Cross multiply
    32,890.51x = 45,387.70 × 18,740.62
  4. Step 4: Simplify right side
    32,890.51x = 850,593,638.37
  5. Step 5: Solve for x
    x = 850,593,638.37/32,890.51
  6. Step 6: Final answer
    x = 25,861.37

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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.