Home / 20,312.21-30,333.35-20,092.29

Finding the Fourth Proportional to 20,312.21, 30,333.35 and 20,092.29

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Solution

The fourth proportional to 20,312.21, 30,333.35 and 20,092.29 is: 30,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.21 : 30,333.35 = 20,092.29 : x
  2. Step 2: Convert to fraction form
    20,312.21/30,333.35 = 20,092.29/x
  3. Step 3: Cross multiply
    20,312.21x = 30,333.35 × 20,092.29
  4. Step 4: Simplify right side
    20,312.21x = 609,466,464.87
  5. Step 5: Solve for x
    x = 609,466,464.87/20,312.21
  6. Step 6: Final answer
    x = 30,004.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.