Home / 45,302.03-67,939.20-21,597.08

Finding the Fourth Proportional to 45,302.03, 67,939.20 and 21,597.08

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Solution

The fourth proportional to 45,302.03, 67,939.20 and 21,597.08 is: 32,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.03 : 67,939.20 = 21,597.08 : x
  2. Step 2: Convert to fraction form
    45,302.03/67,939.20 = 21,597.08/x
  3. Step 3: Cross multiply
    45,302.03x = 67,939.20 × 21,597.08
  4. Step 4: Simplify right side
    45,302.03x = 1,467,287,997.84
  5. Step 5: Solve for x
    x = 1,467,287,997.84/45,302.03
  6. Step 6: Final answer
    x = 32,389.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.