Home / 20,302.20-30,453.30-14,729.40

Finding the Fourth Proportional to 20,302.20, 30,453.30 and 14,729.40

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Solution

The fourth proportional to 20,302.20, 30,453.30 and 14,729.40 is: 22,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.20 : 30,453.30 = 14,729.40 : x
  2. Step 2: Convert to fraction form
    20,302.20/30,453.30 = 14,729.40/x
  3. Step 3: Cross multiply
    20,302.20x = 30,453.30 × 14,729.40
  4. Step 4: Simplify right side
    20,302.20x = 448,558,837.02
  5. Step 5: Solve for x
    x = 448,558,837.02/20,302.20
  6. Step 6: Final answer
    x = 22,094.10

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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.